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+<!-- generated from ../../tdm/kfrontend/config.def - DO NOT EDIT! -->
+
+<chapter id="tdm-files">
+<title
+>The Files &tdm; Uses for Configuration</title>
+
+<para
+>This chapter documents the files that control &tdm;'s behaviour. Some of this can be also controlled from the &kcontrol; module, but not all.</para>
+
+<sect1>
+<title
+>&tdmrc; - The &tdm; master configuration file</title>
+
+<para
+>The basic format of the file is <quote
+>INI-like</quote
+>. Options are key/value pairs, placed in sections. Everything in the file is case sensitive. Syntactic errors and unrecognised key/section identifiers cause &tdm; to issue non-fatal error messages.</para>
+
+<para
+>Lines beginning with <literal
+>#</literal
+> are comments; empty lines are ignored as well.</para>
+
+<para
+>Sections are denoted by <literal
+>[</literal
+><replaceable
+>Name of Section</replaceable
+><literal
+>]</literal
+>. </para>
+
+<para
+>You can configure every X-display individually.</para>
+<para
+>Every display has a display name, which consists of a host name (which is empty for local displays specified in the Xservers file), a colon and a display number. Additionally, a display belongs to a display class (which can be ignored in most cases).</para>
+
+<para
+>Sections with display-specific settings have the formal syntax <literal
+>[X-</literal
+>&nbsp;<replaceable
+>host</replaceable
+>&nbsp;[&nbsp;<literal
+>:</literal
+>&nbsp;<replaceable
+>number</replaceable
+>&nbsp;[&nbsp;<literal
+>_</literal
+>&nbsp;<replaceable
+>class</replaceable
+>&nbsp;]&nbsp;]&nbsp;<literal
+>-</literal
+>&nbsp;<replaceable
+>sub-section</replaceable
+>&nbsp;<literal
+>]</literal
+> </para>
+<para
+>All sections with the same <replaceable
+>sub-section</replaceable
+> make up a section class.</para>
+
+<para
+>You can use the <literal
+>*</literal
+> wildcard for <replaceable
+>host</replaceable
+>, <replaceable
+>number</replaceable
+> and <replaceable
+>class</replaceable
+>. You may omit trailing components; they are assumed to be <literal
+>*</literal
+> then. The host part may be a domain specification like <replaceable
+>.inf.tu-dresden.de</replaceable
+>.</para>
+
+<para
+>From which section a setting is actually taken is determined by these rules:</para>
+
+<itemizedlist>
+<listitem>
+<para
+>An exact match takes precedence over a partial match (for the host part), which in turn takes precedence over a wildcard.</para>
+</listitem>
+
+<listitem>
+<para
+>Precedence decreases from left to right for equally exact matches.</para>
+</listitem>
+
+<listitem>
+
+<para
+>Example: display name <quote
+>myhost:0</quote
+>, class <quote
+>dpy</quote
+> </para>
+<itemizedlist>
+<listitem>
+<para
+>[X-myhost:0_dpy] precedes</para>
+</listitem>
+<listitem>
+<para
+>[X-myhost:0_*] (same as [X-myhost:0]) precedes</para>
+</listitem>
+<listitem>
+<para
+>[X-myhost:*_dpy] precedes</para>
+</listitem>
+<listitem>
+<para
+>[X-myhost:*_*] (same as [X-myhost]) precedes</para>
+</listitem>
+<listitem>
+<para
+>[X-*:0_dpy] precedes</para>
+</listitem>
+<listitem>
+<para
+>[X-*:0_*] (same as [X-*:0]) precedes</para>
+</listitem>
+<listitem>
+<para
+>[X-*:*_*] (same as [X-*]).</para>
+</listitem>
+<listitem>
+<para
+>These sections do <emphasis
+>not</emphasis
+> match this display:</para>
+<para
+>[X-hishost], [X-myhost:0_dec], [X-*:1], [X-:*]</para>
+</listitem>
+</itemizedlist>
+
+</listitem>
+
+</itemizedlist>
+
+<para
+>Common sections are [X-*] (all displays), [X-:*] (all local displays) and [X-:0] (the first local display).</para>
+
+<para
+>The format for all keys is <userinput
+><option
+><replaceable
+>key</replaceable
+></option
+>&nbsp;<literal
+>=</literal
+>&nbsp;<parameter
+>value</parameter
+></userinput
+>. Keys are only valid in the section class they are defined for. Some keys do not apply to particular displays, in which case they are ignored. </para>
+
+<para
+>If a setting is not found in any matching section, the default is used.</para>
+
+<note
+><para
+>A pristine &tdmrc; is very thoroughly commented. All comments will be lost if you change this file with the kcontrol frontend.</para
+></note>
+
+
+<sect2 id="tdmrc-general">
+<title
+>The [General] section of &tdmrc;</title>
+
+<para
+>This section contains global options that do not fit into any specific section. </para>
+
+<variablelist>
+
+<varlistentry>
+<term id="option-configversion"
+><option
+>ConfigVersion</option
+></term>
+<listitem>
+<para
+>This option exists solely for the purpose of clean automatic upgrades. <emphasis
+>Do not</emphasis
+> change it, you may interfere with future upgrades and this could result in &tdm; failing to run. </para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-xservers"
+><option
+>Xservers</option
+></term>
+<listitem>
+<para
+>If the value starts with a slash (/), it specifies a file to read &X-Server; definitions from; otherwise, it is an &X-Server; definition by itself. See <xref linkend="tdmrc-xservers"/> for the details. </para
+><para
+>The default is an &X-Server; definition that is usually reasonable for the system on which &tdm; was built. </para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-servervts"
+><option
+>ServerVTs</option
+></term>
+<listitem>
+<para
+>List of Virtual Terminals to allocate to &X-Server;s. For negative numbers the absolute value is used, and the <acronym
+>VT</acronym
+> will be allocated only if the kernel says it is free. If &tdm; exhausts this list, it will allocate free <acronym
+>VT</acronym
+>s greater than the absolute value of the last entry in this list. </para>
+<para
+>Empty by default.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-pidfile"
+><option
+>PidFile</option
+></term>
+<listitem>
+<para
+>The filename specified will be created to contain an ASCII representation of the process ID of the main &tdm; process; the PID will not be stored if the filename is empty. </para>
+<para
+>Empty by default.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-lockpidfile"
+><option
+>LockPidFile</option
+></term>
+<listitem>
+<para
+>This option controls whether &tdm; uses file locking to keep multiple display managers from running onto each other. </para>
+<para
+>The default is <quote
+>true</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-authdir"
+><option
+>AuthDir</option
+></term>
+<listitem>
+<para
+>This names a directory under which &tdm; stores &X-Server; authorisation files while initialising the session. &tdm; expects the system to clean up this directory from stale files on reboot. </para
+><para
+>The authorisation file to be used for a particular display can be specified with the <option
+>AuthFile</option
+> option in [X-*-Core]. </para>
+<para
+>The default is <quote
+>/var/run/xauth</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-autorescan"
+><option
+>AutoRescan</option
+></term>
+<listitem>
+<para
+>This boolean controls whether &tdm; automatically re-reads its configuration files if it finds them to have changed. </para>
+<para
+>The default is <quote
+>true</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-exportlist"
+><option
+>ExportList</option
+></term>
+<listitem>
+<para
+>Additional environment variables &tdm; should pass on to all programs it runs. <envar
+>LD_LIBRARY_PATH</envar
+> and <envar
+>XCURSOR_THEME</envar
+> are good candidates; otherwise, it should not be necessary very often. </para>
+<para
+>Empty by default.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-randomfile"
+><option
+>RandomFile</option
+></term>
+<listitem>
+<para
+>If the system has no native entropy source like /dev/urandom (see <option
+>RandomDevice</option
+>) and no entropy daemon like EGD (see <option
+>PrngdSocket</option
+> and <option
+>PrngdPort</option
+>) is running, &tdm; will fall back to its own pseudo-random number generator that will, among other things, successively checksum parts of this file (which, obviously, should change frequently). </para
+><para
+>This option does not exist on Linux and various BSDs. </para>
+<para
+>The default is <quote
+>/dev/mem</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-prngdsocket"
+><option
+>PrngdSocket</option
+></term>
+<listitem>
+<para
+>If the system has no native entropy source like /dev/urandom (see <option
+>RandomDevice</option
+>), read random data from a Pseudo-Random Number Generator Daemon, like EGD (http://egd.sourceforge.net) via this UNIX domain socket. </para
+><para
+>This option does not exist on Linux and various BSDs. </para>
+<para
+>Empty by default.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-prngdport"
+><option
+>PrngdPort</option
+></term>
+<listitem>
+<para
+>Same as <option
+>PrngdSocket</option
+>, only use a TCP socket on localhost. </para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-randomdevice"
+><option
+>RandomDevice</option
+></term>
+<listitem>
+<para
+>The path to a character device which TDM should read random data from. Empty means to use the system's preferred entropy device if there is one. </para
+><para
+>This option does not exist on OpenBSD, as it uses the arc4_random function instead. </para>
+<para
+>Empty by default.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-fifodir"
+><option
+>FifoDir</option
+></term>
+<listitem>
+<para
+>The directory in which the command <acronym
+>FiFo</acronym
+>s should be created; make it empty to disable them. </para>
+<para
+>The default is <quote
+>/var/run/xdmctl</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-fifogroup"
+><option
+>FifoGroup</option
+></term>
+<listitem>
+<para
+>The group to which the global command <acronym
+>FiFo</acronym
+> should belong; can be either a name or a numerical ID. </para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-datadir"
+><option
+>DataDir</option
+></term>
+<listitem>
+<para
+>The directory in which &tdm; should store persistent working data; such data is, for example, the previous user that logged in on a particular display. </para>
+<para
+>The default is <quote
+>/var/lib/tdm</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-dmrcdir"
+><option
+>DmrcDir</option
+></term>
+<listitem>
+<para
+>The directory in which &tdm; should store users' <filename
+>.dmrc</filename
+> files. This is only needed if the home directories are not readable before actually logging in (like with AFS). </para>
+<para
+>Empty by default.</para>
+</listitem>
+</varlistentry>
+
+</variablelist>
+</sect2>
+
+
+<sect2 id="tdmrc-xdmcp">
+<title
+>The [Xdmcp] section of &tdmrc;</title>
+
+<para
+>This section contains options that control &tdm;'s handling of &XDMCP; requests. </para>
+
+<variablelist>
+
+<varlistentry>
+<term id="option-enable"
+><option
+>Enable</option
+></term>
+<listitem>
+<para
+>Whether &tdm; should listen to incoming &XDMCP; requests. </para>
+<para
+>The default is <quote
+>true</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-port"
+><option
+>Port</option
+></term>
+<listitem>
+<para
+>This indicates the UDP port number which &tdm; uses to listen for incoming &XDMCP; requests. Unless you need to debug the system, leave this with its default value. </para>
+<para
+>The default is <quote
+>177</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-keyfile"
+><option
+>KeyFile</option
+></term>
+<listitem>
+<para
+>XDM-AUTHENTICATION-1 style &XDMCP; authentication requires a private key to be shared between &tdm; and the terminal. This option specifies the file containing those values. Each entry in the file consists of a display name and the shared key. </para>
+<para
+>Empty by default.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-xaccess"
+><option
+>Xaccess</option
+></term>
+<listitem>
+<para
+>To prevent unauthorised &XDMCP; service and to allow forwarding of &XDMCP; IndirectQuery requests, this file contains a database of hostnames which are either allowed direct access to this machine, or have a list of hosts to which queries should be forwarded to. The format of this file is described in <xref linkend="tdmrc-xaccess"/>. </para>
+<para
+>The default is <quote
+>${<envar
+>kde_confdir</envar
+>}/tdm/Xaccess</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-choicetimeout"
+><option
+>ChoiceTimeout</option
+></term>
+<listitem>
+<para
+>Number of seconds to wait for the display to respond after the user has selected a host from the chooser. If the display sends an &XDMCP; IndirectQuery within this time, the request is forwarded to the chosen host; otherwise, it is assumed to be from a new session and the chooser is offered again. </para>
+<para
+>The default is <quote
+>15</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-removedomainname"
+><option
+>RemoveDomainname</option
+></term>
+<listitem>
+<para
+>When computing the display name for &XDMCP; clients, the name resolver will typically create a fully qualified host name for the terminal. As this is sometimes confusing, &tdm; will remove the domain name portion of the host name if it is the same as the domain name of the local host when this option is enabled. </para>
+<para
+>The default is <quote
+>true</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-sourceaddress"
+><option
+>SourceAddress</option
+></term>
+<listitem>
+<para
+>Use the numeric IP address of the incoming connection on multihomed hosts instead of the host name. This is to avoid trying to connect on the wrong interface which might be down at this time. </para>
+<para
+>The default is <quote
+>false</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-willing"
+><option
+>Willing</option
+></term>
+<listitem>
+<para
+>This specifies a program which is run (as <systemitem class="username"
+>root</systemitem
+>) when an &XDMCP; DirectQuery or BroadcastQuery is received and this host is configured to offer &XDMCP; display management. The output of this program may be displayed in a chooser window. If no program is specified, the string <quote
+>Willing to manage</quote
+> is sent. </para>
+<para
+>Empty by default.</para>
+</listitem>
+</varlistentry>
+
+</variablelist>
+</sect2>
+
+
+<sect2 id="tdmrc-shutdown">
+<title
+>The [Shutdown] section of &tdmrc;</title>
+
+<para
+>This section contains global options concerning system shutdown. </para>
+
+<variablelist>
+
+<varlistentry>
+<term id="option-haltcmd"
+><option
+>HaltCmd</option
+></term>
+<listitem>
+<para
+>The command to run to halt/poweroff the system. </para
+><para
+>The default is something reasonable for the system on which &tdm; was built, like <command
+>/sbin/shutdown&nbsp;<option
+>-h</option
+>&nbsp;<parameter
+>now</parameter
+></command
+>. </para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-rebootcmd"
+><option
+>RebootCmd</option
+></term>
+<listitem>
+<para
+>The command to run to reboot the system. </para
+><para
+>The default is something reasonable for the system &tdm; on which was built, like <command
+>/sbin/shutdown&nbsp;<option
+>-r</option
+>&nbsp;<parameter
+>now</parameter
+></command
+>. </para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-allowfifo"
+><option
+>AllowFifo</option
+></term>
+<listitem>
+<para
+>Whether it is allowed to shut down the system via the global command <acronym
+>FiFo</acronym
+>. </para>
+<para
+>The default is <quote
+>false</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-allowfifonow"
+><option
+>AllowFifoNow</option
+></term>
+<listitem>
+<para
+>Whether it is allowed to abort active sessions when shutting down the system via the global command <acronym
+>FiFo</acronym
+>. </para
+><para
+>This will have no effect unless <option
+>AllowFifo</option
+> is enabled. </para>
+<para
+>The default is <quote
+>true</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-uselilo"
+><option
+>UseLilo</option
+></term>
+<listitem>
+<para
+>Instructs &tdm; to offer LiLo boot options in the shutdown dialogue. </para
+><para
+>Only available on Linux i386 &amp; x86-64. </para>
+<para
+>The default is <quote
+>false</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-lilocmd"
+><option
+>LiloCmd</option
+></term>
+<listitem>
+<para
+>The location of the LiLo binary. </para
+><para
+>Only available on Linux i386 &amp; x86-64. </para>
+<para
+>The default is <quote
+>/sbin/lilo</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-lilomap"
+><option
+>LiloMap</option
+></term>
+<listitem>
+<para
+>The location of the map file LiLo should use. </para
+><para
+>Only available on Linux i386 &amp; x86-64. </para>
+<para
+>The default is <quote
+>/boot/map</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+</variablelist>
+</sect2>
+
+
+<sect2 id="tdmrc-core">
+<title
+>The [X-*-Core] section class of &tdmrc;</title>
+
+<para
+>This section class contains options concerning the configuration of the &tdm; backend (core). </para>
+
+<variablelist>
+
+<varlistentry>
+<term id="option-opendelay"
+><option
+>OpenDelay</option
+></term>
+<listitem>
+<para
+>See <option
+>OpenRepeat</option
+>. </para>
+<para
+>The default is <quote
+>15</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-opentimeout"
+><option
+>OpenTimeout</option
+></term>
+<listitem>
+<para
+>See <option
+>OpenRepeat</option
+>. </para>
+<para
+>The default is <quote
+>120</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-openrepeat"
+><option
+>OpenRepeat</option
+></term>
+<listitem>
+<para
+>These options control the behaviour of &tdm; when attempting to open a connection to an &X-Server;. <option
+>OpenDelay</option
+> is the length of the pause (in seconds) between successive attempts, <option
+>OpenRepeat</option
+> is the number of attempts to make and <option
+>OpenTimeout</option
+> is the amount of time to spend on a connection attempt. After <option
+>OpenRepeat</option
+> attempts have been made, or if <option
+>OpenTimeout</option
+> seconds elapse in any particular connection attempt, the start attempt is considered failed. </para>
+<para
+>The default is <quote
+>5</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-startattempts"
+><option
+>StartAttempts</option
+></term>
+<listitem>
+<para
+>How many times &tdm; should attempt to start a <literal
+>foreign</literal
+> display listed in the <filename
+>Xservers</filename
+> file before giving up and disabling it. Local displays are attempted only once, and &XDMCP; displays are retried indefinitely by the client (unless the option <option
+>-once</option
+> was given to the &X-Server;). </para>
+<para
+>The default is <quote
+>4</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-serverattempts"
+><option
+>ServerAttempts</option
+></term>
+<listitem>
+<para
+>How many times &tdm; should attempt to start up a local &X-Server;. Starting up includes executing it and waiting for it to come up. </para>
+<para
+>The default is <quote
+>1</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-servertimeout"
+><option
+>ServerTimeout</option
+></term>
+<listitem>
+<para
+>How many seconds &tdm; should wait for a local &X-Server; to come up. </para>
+<para
+>The default is <quote
+>15</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-pinginterval"
+><option
+>PingInterval</option
+></term>
+<listitem>
+<para
+>See <option
+>PingTimeout</option
+>. </para>
+<para
+>The default is <quote
+>5</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-pingtimeout"
+><option
+>PingTimeout</option
+></term>
+<listitem>
+<para
+>To discover when <emphasis
+>remote</emphasis
+> displays disappear, &tdm; regularly pings them. <option
+>PingInterval</option
+> specifies the time (in minutes) between the pings and <option
+>PingTimeout</option
+> specifies the maximum amount of time (in minutes) to wait for the terminal to respond to the request. If the terminal does not respond, the session is declared dead and terminated. </para
+><para
+>If you frequently use X terminals which can become isolated from the managing host, you may wish to increase the timeout. The only worry is that sessions will continue to exist after the terminal has been accidentally disabled. </para>
+<para
+>The default is <quote
+>5</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-terminateserver"
+><option
+>TerminateServer</option
+></term>
+<listitem>
+<para
+>Whether &tdm; should restart the local &X-Server; after session exit instead of resetting it. Use this if the &X-Server; leaks memory or crashes the system on reset attempts. </para>
+<para
+>The default is <quote
+>false</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-resetsignal"
+><option
+>ResetSignal</option
+></term>
+<listitem>
+<para
+>The signal number to use to reset the local &X-Server;. </para>
+<para
+>The default is <quote
+>1 (SIGHUP)</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-termsignal"
+><option
+>TermSignal</option
+></term>
+<listitem>
+<para
+>The signal number to use to terminate the local &X-Server;. </para>
+<para
+>The default is <quote
+>15 (SIGTERM)</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-authorize"
+><option
+>Authorise</option
+></term>
+<listitem>
+<para
+>Controls whether &tdm; generates and uses authorisation for <emphasis
+>local</emphasis
+> &X-Server; connections. For &XDMCP; displays the authorisation requested by the display is used; foreign non-&XDMCP; displays do not support authorisation at all. </para>
+<para
+>The default is <quote
+>true</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-authnames"
+><option
+>AuthNames</option
+></term>
+<listitem>
+<para
+>If <option
+>Authorize</option
+> is true, use the authorisation mechanisms listed herein. The MIT-MAGIC-COOKIE-1 authorisation is always available; XDM-AUTHORIZATION-1, SUN-DES-1 and MIT-KERBEROS-5 might be available as well, depending on the build configuration. </para>
+<para
+>The default is <quote
+>DEF_AUTH_NAME</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-resetforauth"
+><option
+>ResetForAuth</option
+></term>
+<listitem>
+<para
+>Some <emphasis
+>old</emphasis
+> &X-Server;s re-read the authorisation file at &X-Server; reset time, instead of when checking the initial connection. As &tdm; generates the authorisation information just before connecting to the display, an old &X-Server; would not get up-to-date authorisation information. This option causes &tdm; to send SIGHUP to the &X-Server; after setting up the file, causing an additional &X-Server; reset to occur, during which time the new authorisation information will be read. </para>
+<para
+>The default is <quote
+>false</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-authfile"
+><option
+>AuthFile</option
+></term>
+<listitem>
+<para
+>This file is used to communicate the authorisation data from &tdm; to the &X-Server;, using the <option
+>-auth</option
+> &X-Server; command line option. It should be kept in a directory which is not world-writable as it could easily be removed, disabling the authorisation mechanism in the &X-Server;. If not specified, a random name is generated from <option
+>AuthDir</option
+> and the name of the display. </para>
+<para
+>Empty by default.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-resources"
+><option
+>Resources</option
+></term>
+<listitem>
+<para
+>This option specifies the name of the file to be loaded by <command
+>xrdb</command
+> as the resource database onto the root window of screen 0 of the display. KDE programs generally do not use X-resources, so this option is only needed if the <option
+>Setup</option
+> program needs some X-resources. </para>
+<para
+>Empty by default.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-xrdb"
+><option
+>Xrdb</option
+></term>
+<listitem>
+<para
+>The <command
+>xrdb</command
+> program to use to read the X-resources file specified in <option
+>Recources</option
+>. </para>
+<para
+>The default is <quote
+>${<envar
+>x_bindir</envar
+>}/xrdb</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-setup"
+><option
+>Setup</option
+></term>
+<listitem>
+<para
+>This specifies a program which is run (as <systemitem class="username"
+>root</systemitem
+>) before offering the greeter window. This may be used to change the appearance of the screen around the greeter window or to put up other windows (e.g., you may want to run <command
+>xconsole</command
+> here). The conventional name for a file used here is <command
+>Xsetup</command
+>. See <xref linkend="tdmrc-xsetup"/>. </para>
+<para
+>Empty by default.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-startup"
+><option
+>Startup</option
+></term>
+<listitem>
+<para
+>This specifies a program which is run (as <systemitem class="username"
+>root</systemitem
+>) after the user authentication process succeeds. The conventional name for a file used here is <command
+>Xstartup</command
+>. See <xref linkend="tdmrc-xstartup"/>. </para>
+<para
+>Empty by default.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-reset"
+><option
+>Reset</option
+></term>
+<listitem>
+<para
+>This specifies a program which is run (as <systemitem class="username"
+>root</systemitem
+>) after the session terminates. The conventional name for a file used here is <command
+>Xreset</command
+>. See <xref linkend="tdmrc-xreset"/>. </para>
+<para
+>Empty by default.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-session"
+><option
+>Session</option
+></term>
+<listitem>
+<para
+>This specifies the session program to be executed (as the user owning the session). The conventional name for a file used here is <command
+>Xsession</command
+>. See <xref linkend="tdmrc-xsession"/>. </para>
+<para
+>The default is <quote
+>${<envar
+>x_bindir</envar
+>}/xterm -ls -T</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-failsafeclient"
+><option
+>FailsafeClient</option
+></term>
+<listitem>
+<para
+>If the <option
+>Session</option
+> program fails to execute, &tdm; will fall back to this program. This program is executed with no arguments, but executes using the same environment variables as the session would have had (see <xref linkend="tdmrc-xsession"/>). </para>
+<para
+>The default is <quote
+>${<envar
+>x_bindir</envar
+>}/xterm</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-userpath"
+><option
+>UserPath</option
+></term>
+<listitem>
+<para
+>The <envar
+>PATH</envar
+> environment variable for non-<systemitem class="username"
+>root</systemitem
+> <option
+>Session</option
+>s. </para
+><para
+>The default depends on the system &tdm; was built on. </para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-systempath"
+><option
+>SystemPath</option
+></term>
+<listitem>
+<para
+>The <envar
+>PATH</envar
+> environment variable for all programs but non-<systemitem class="username"
+>root</systemitem
+> <option
+>Session</option
+>s. Note that it is good practice not to include <literal
+>.</literal
+> (the current directory) into this entry. </para
+><para
+>The default depends on the system &tdm; was built on. </para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-systemshell"
+><option
+>SystemShell</option
+></term>
+<listitem>
+<para
+>The <envar
+>SHELL</envar
+> environment variable for all programs but the <option
+>Session</option
+>. </para>
+<para
+>The default is <quote
+>/bin/sh</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-userauthdir"
+><option
+>UserAuthDir</option
+></term>
+<listitem>
+<para
+>When &tdm; is unable to write to the usual user authorisation file ($<envar
+>HOME</envar
+>/.Xauthority), it creates a unique file name in this directory and points the environment variable <envar
+>XAUTHORITY</envar
+> at the created file. </para>
+<para
+>The default is <quote
+>/tmp</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-autorelogin"
+><option
+>AutoReLogin</option
+></term>
+<listitem>
+<para
+>If enabled, &tdm; will automatically restart a session after an &X-Server; crash (or if it is killed by Alt-Ctrl-BackSpace). Note that enabling this feature opens a security hole: a secured display lock can be circumvented (unless &kde;'s built-in screen locker is used). </para>
+<para
+>The default is <quote
+>false</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-allowrootlogin"
+><option
+>AllowRootLogin</option
+></term>
+<listitem>
+<para
+>If disabled, do not allow <systemitem class="username"
+>root</systemitem
+> (and any other user with UID = 0) to log in directly. </para>
+<para
+>The default is <quote
+>true</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-allownullpasswd"
+><option
+>AllowNullPasswd</option
+></term>
+<listitem>
+<para
+>If disabled, only users that have passwords assigned can log in. </para>
+<para
+>The default is <quote
+>true</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-allowshutdown"
+><option
+>AllowShutdown</option
+></term>
+<listitem>
+<para
+>Who is allowed to shut down the system. This applies both to the greeter and to the command <acronym
+>FiFo</acronym
+>. </para>
+<variablelist>
+<varlistentry>
+<term
+><parameter
+>None</parameter
+></term>
+<listitem
+><para
+>no <guilabel
+>Shutdown...</guilabel
+> menu entry is shown at all</para
+></listitem>
+</varlistentry>
+<varlistentry>
+<term
+><parameter
+>Root</parameter
+></term>
+<listitem
+><para
+>the <systemitem class="username"
+>root</systemitem
+> password must be entered to shut down</para
+></listitem>
+</varlistentry>
+<varlistentry>
+<term
+><parameter
+>All</parameter
+></term>
+<listitem
+><para
+>everybody can shut down the machine</para
+></listitem>
+</varlistentry>
+</variablelist>
+<para
+>The default is <quote
+>All</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-allowsdforcenow"
+><option
+>AllowSdForceNow</option
+></term>
+<listitem>
+<para
+>Who is allowed to abort active sessions when shutting down. </para>
+<variablelist>
+<varlistentry>
+<term
+><parameter
+>None</parameter
+></term>
+<listitem
+><para
+>no forced shutdown is allowed at all</para
+></listitem>
+</varlistentry>
+<varlistentry>
+<term
+><parameter
+>Root</parameter
+></term>
+<listitem
+><para
+>the <systemitem class="username"
+>root</systemitem
+> password must be entered to shut down forcibly</para
+></listitem>
+</varlistentry>
+<varlistentry>
+<term
+><parameter
+>All</parameter
+></term>
+<listitem
+><para
+>everybody can shut down the machine forcibly</para
+></listitem>
+</varlistentry>
+</variablelist>
+<para
+>The default is <quote
+>All</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-defaultsdmode"
+><option
+>DefaultSdMode</option
+></term>
+<listitem>
+<para
+>The default choice for the shutdown condition/timing. </para>
+<variablelist>
+<varlistentry>
+<term
+><parameter
+>Schedule</parameter
+></term>
+<listitem
+><para
+>shut down after all active sessions exit (possibly at once)</para
+></listitem>
+</varlistentry>
+<varlistentry>
+<term
+><parameter
+>TryNow</parameter
+></term>
+<listitem
+><para
+>shut down, if no active sessions are open; otherwise, do nothing</para
+></listitem>
+</varlistentry>
+<varlistentry>
+<term
+><parameter
+>ForceNow</parameter
+></term>
+<listitem
+><para
+>shut down unconditionally</para
+></listitem>
+</varlistentry>
+</variablelist>
+<para
+>The default is <quote
+>Schedule</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-scheduledsd"
+><option
+>ScheduledSd</option
+></term>
+<listitem>
+<para
+>How to offer shutdown scheduling options: </para>
+<variablelist>
+<varlistentry>
+<term
+><parameter
+>Never</parameter
+></term>
+<listitem
+><para
+>not at all</para
+></listitem>
+</varlistentry>
+<varlistentry>
+<term
+><parameter
+>Optional</parameter
+></term>
+<listitem
+><para
+>as a button in the simple shutdown dialogues</para
+></listitem>
+</varlistentry>
+<varlistentry>
+<term
+><parameter
+>Always</parameter
+></term>
+<listitem
+><para
+>instead of the simple shutdown dialogues</para
+></listitem>
+</varlistentry>
+</variablelist>
+<para
+>The default is <quote
+>Never</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-nopassenable"
+><option
+>NoPassEnable</option
+></term>
+<listitem>
+<para
+>Enable password-less logins on this display. <emphasis
+>Use with extreme care!</emphasis
+> </para>
+<para
+>The default is <quote
+>false</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-nopassusers"
+><option
+>NoPassUsers</option
+></term>
+<listitem>
+<para
+>The users that do not need to provide a password to log in. Items which are prefixed with <literal
+>@</literal
+> represent all users in the user group named by that item. <literal
+>*</literal
+> means all users but <systemitem class="username"
+>root</systemitem
+> (and any other user with UID = 0). <emphasis
+>Never</emphasis
+> list <systemitem class="username"
+>root</systemitem
+>. </para>
+<para
+>Empty by default.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-autologinenable"
+><option
+>AutoLoginEnable</option
+></term>
+<listitem>
+<para
+>Enable automatic login. <emphasis
+>Use with extreme care!</emphasis
+> </para>
+<para
+>The default is <quote
+>false</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-autologinuser"
+><option
+>AutoLoginUser</option
+></term>
+<listitem>
+<para
+>The user to log in automatically. <emphasis
+>Never</emphasis
+> specify <systemitem class="username"
+>root</systemitem
+>! </para>
+<para
+>Empty by default.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-autologinpass"
+><option
+>AutoLoginPass</option
+></term>
+<listitem>
+<para
+>The password for the user to log in automatically. This is <emphasis
+>not</emphasis
+> required unless the user is logged into a <acronym
+>NIS</acronym
+> or Kerberos domain. If you use this option, you should <command
+>chmod&nbsp;<option
+>600</option
+>&nbsp;<filename
+>tdmrc</filename
+></command
+> for obvious reasons. </para>
+<para
+>Empty by default.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-sessionsdirs"
+><option
+>SessionsDirs</option
+></term>
+<listitem>
+<para
+>A list of directories containing session type definitions. </para>
+<para
+>The default is <quote
+>${<envar
+>kde_datadir</envar
+>}/tdm/sessions</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-clientlogfile"
+><option
+>ClientLogFile</option
+></term>
+<listitem>
+<para
+>The file (relative to the user's home directory) to redirect the session output to. One occurrence of <parameter
+>%s</parameter
+> in this string will be substituted with the display name. Use <parameter
+>%%</parameter
+> to obtain a literal <literal
+>%</literal
+>. </para>
+<para
+>The default is <quote
+>.xsession-errors</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+</variablelist>
+</sect2>
+
+
+<sect2 id="tdmrc-greeter">
+<title
+>The [X-*-Greeter] section class of &tdmrc;</title>
+
+<para
+>This section class contains options concerning the configuration of the &tdm; frontend (greeter). </para>
+
+<variablelist>
+
+<varlistentry>
+<term id="option-guistyle"
+><option
+>GUIStyle</option
+></term>
+<listitem>
+<para
+>Specify the widget style for the greeter. Empty means to use the built-in default which currently is <literal
+>Keramik</literal
+>. </para>
+<para
+>Empty by default.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-colorscheme"
+><option
+>ColorScheme</option
+></term>
+<listitem>
+<para
+>Specify the widget colour scheme for the greeter. Empty means to use the built-in default which currently is yellowish grey with some light blue and yellow elements. </para>
+<para
+>Empty by default.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-logoarea"
+><option
+>LogoArea</option
+></term>
+<listitem>
+<para
+>What should be shown in the greeter righthand of the input lines (if <option
+>UserList</option
+> is disabled) or above them (if <option
+>UserList</option
+> is enabled): </para>
+<variablelist>
+<varlistentry>
+<term
+><parameter
+>None</parameter
+></term>
+<listitem
+><para
+>nothing</para
+></listitem>
+</varlistentry>
+<varlistentry>
+<term
+><parameter
+>Logo</parameter
+></term>
+<listitem
+><para
+>the image specified by <option
+>LogoPixmap</option
+></para
+></listitem>
+</varlistentry>
+<varlistentry>
+<term
+><parameter
+>Clock</parameter
+></term>
+<listitem
+><para
+>a neat analogue clock</para
+></listitem>
+</varlistentry>
+</variablelist>
+<para
+>The default is <quote
+>Clock</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-logopixmap"
+><option
+>LogoPixmap</option
+></term>
+<listitem>
+<para
+>The image to show in the greeter if <option
+>LogoArea</option
+> is <literal
+>Logo</literal
+>. </para>
+<para
+>Empty by default.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-greeterpos"
+><option
+>GreeterPos</option
+></term>
+<listitem>
+<para
+>The relative coordinates (percentages of the screen size; X,Y) at which the centre of the greeter is put. &tdm; aligns the greeter to the edges of the screen it would cross otherwise. </para>
+<para
+>The default is <quote
+>50,50</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-greeterscreen"
+><option
+>GreeterScreen</option
+></term>
+<listitem>
+<para
+>The screen the greeter should be displayed on in multi-headed and Xinerama setups. The numbering starts with 0. For Xinerama, it corresponds to the listing order in the active ServerLayout section of XF86Config; -1 means to use the upper-left screen, -2 means to use the upper-right screen. </para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-greetstring"
+><option
+>GreetString</option
+></term>
+<listitem>
+<para
+>The headline in the greeter. An empty greeting means none at all. </para
+><para
+>The following character pairs are replaced by their value: <variablelist>
+<varlistentry>
+<term
+><parameter
+>%d</parameter
+></term>
+<listitem
+><para
+>name of the current display</para
+></listitem>
+</varlistentry>
+<varlistentry>
+<term
+><parameter
+>%h</parameter
+></term>
+<listitem
+><para
+>local host name, possibly with the domain name</para
+></listitem>
+</varlistentry>
+<varlistentry>
+<term
+><parameter
+>%n</parameter
+></term>
+<listitem
+><para
+>local node name, most probably the host name without the domain name</para
+></listitem>
+</varlistentry>
+<varlistentry>
+<term
+><parameter
+>%s</parameter
+></term>
+<listitem
+><para
+>operating system</para
+></listitem>
+</varlistentry>
+<varlistentry>
+<term
+><parameter
+>%r</parameter
+></term>
+<listitem
+><para
+>operating system version</para
+></listitem>
+</varlistentry>
+<varlistentry>
+<term
+><parameter
+>%m</parameter
+></term>
+<listitem
+><para
+>machine (hardware) type</para
+></listitem>
+</varlistentry>
+<varlistentry>
+<term
+><parameter
+>%%</parameter
+></term>
+<listitem
+><para
+>a single <literal
+>%</literal
+></para
+></listitem>
+</varlistentry>
+</variablelist>
+</para>
+<para
+>The default is <quote
+>Welcome to %s at %n</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-greetfont"
+><option
+>GreetFont</option
+></term>
+<listitem>
+<para
+>The font for the greeter headline. </para>
+<para
+>The default is <quote
+>charter,24,bold</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-stdfont"
+><option
+>StdFont</option
+></term>
+<listitem>
+<para
+>The normal font used in the greeter. </para>
+<para
+>The default is <quote
+>helvetica,12</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-failfont"
+><option
+>FailFont</option
+></term>
+<listitem>
+<para
+>The font used for the <quote
+>Login Failed</quote
+> message. </para>
+<para
+>The default is <quote
+>helvetica,12,bold</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-antialiasing"
+><option
+>AntiAliasing</option
+></term>
+<listitem>
+<para
+>Whether the fonts used in the greeter should be antialiased. </para>
+<para
+>The default is <quote
+>false</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-numlock"
+><option
+>NumLock</option
+></term>
+<listitem>
+<para
+>What to do with the Num Lock modifier for the time the greeter is running: </para>
+<variablelist>
+<varlistentry>
+<term
+><parameter
+>Off</parameter
+></term>
+<listitem
+><para
+>turn off</para
+></listitem>
+</varlistentry>
+<varlistentry>
+<term
+><parameter
+>On</parameter
+></term>
+<listitem
+><para
+>turn on</para
+></listitem>
+</varlistentry>
+<varlistentry>
+<term
+><parameter
+>Keep</parameter
+></term>
+<listitem
+><para
+>do not change the state</para
+></listitem>
+</varlistentry>
+</variablelist>
+<para
+>The default is <quote
+>Keep</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-language"
+><option
+>Language</option
+></term>
+<listitem>
+<para
+>Language and locale to use in the greeter, encoded like $<envar
+>LC_LANG</envar
+>. </para>
+<para
+>The default is <quote
+>en_US</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-usercompletion"
+><option
+>UserCompletion</option
+></term>
+<listitem>
+<para
+>Enable autocompletion in the username line edit. </para>
+<para
+>The default is <quote
+>false</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-userlist"
+><option
+>UserList</option
+></term>
+<listitem>
+<para
+>Show a user list with unix login names, real names and images in the greeter. </para>
+<para
+>The default is <quote
+>true</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-showusers"
+><option
+>ShowUsers</option
+></term>
+<listitem>
+<para
+>This option controls which users will be shown in the user view (<option
+>UserList</option
+>) and/or offered for autocompletion (<option
+>UserCompletion</option
+>). If it is <literal
+>Selected</literal
+>, <option
+>SelectedUsers</option
+> contains the final list of users. If it is <literal
+>NotHidden</literal
+>, the initial user list are all users found on the system. Users contained in <option
+>HiddenUsers</option
+> are removed from the list, just like all users with a UID greater than specified in <option
+>MaxShowUID</option
+> and users with a non-zero UID less than specified in <option
+>MinShowUID</option
+>. Items in <option
+>SelectedUsers</option
+> and <option
+>HiddenUsers</option
+> which are prefixed with <literal
+>@</literal
+> represent all users in the user group named by that item. Finally, the user list will be sorted alphabetically, if <option
+>SortUsers</option
+> is enabled. </para>
+<para
+>The default is <quote
+>NotHidden</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-selectedusers"
+><option
+>SelectedUsers</option
+></term>
+<listitem>
+<para
+>See <option
+>ShowUsers</option
+>. </para>
+<para
+>Empty by default.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-hiddenusers"
+><option
+>HiddenUsers</option
+></term>
+<listitem>
+<para
+>See <option
+>ShowUsers</option
+>. </para>
+<para
+>Empty by default.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-minshowuid"
+><option
+>MinShowUID</option
+></term>
+<listitem>
+<para
+>See <option
+>ShowUsers</option
+>. </para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-maxshowuid"
+><option
+>MaxShowUID</option
+></term>
+<listitem>
+<para
+>See <option
+>ShowUsers</option
+>. </para>
+<para
+>The default is <quote
+>65535</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-sortusers"
+><option
+>SortUsers</option
+></term>
+<listitem>
+<para
+>See <option
+>ShowUsers</option
+>. </para>
+<para
+>The default is <quote
+>true</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-facesource"
+><option
+>FaceSource</option
+></term>
+<listitem>
+<para
+>If <option
+>UserList</option
+> is enabled, this specifies where &tdm; gets the images from: </para>
+<variablelist>
+<varlistentry>
+<term
+><parameter
+>AdminOnly</parameter
+></term>
+<listitem
+><para
+>from <filename
+>&lt;<option
+>FaceDir</option
+>&gt;/$<envar
+>USER</envar
+>.face[.icon]</filename
+></para
+></listitem>
+</varlistentry>
+<varlistentry>
+<term
+><parameter
+>PreferAdmin</parameter
+></term>
+<listitem
+><para
+>prefer &lt;<option
+>FaceDir</option
+>&gt;, fallback on $<envar
+>HOME</envar
+></para
+></listitem>
+</varlistentry>
+<varlistentry>
+<term
+><parameter
+>PreferUser</parameter
+></term>
+<listitem
+><para
+>... and the other way round</para
+></listitem>
+</varlistentry>
+<varlistentry>
+<term
+><parameter
+>UserOnly</parameter
+></term>
+<listitem
+><para
+>from the user's <filename
+>$<envar
+>HOME</envar
+>/.face[.icon]</filename
+></para
+></listitem>
+</varlistentry>
+</variablelist>
+
+<para
+>The images can be in any format Qt recognises, but the filename must match &tdm;'s expectations: <literal
+>.face.icon</literal
+> should be a 48x48 icon, while <literal
+>.face</literal
+> should be a 300x300 image. Currently the big image is used only as a fallback and is scaled down, but in the future it might be displayed full-size in the logo area or a tooltip. </para>
+<para
+>The default is <quote
+>AdminOnly</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-facedir"
+><option
+>FaceDir</option
+></term>
+<listitem>
+<para
+>See <option
+>FaceSource</option
+>. </para>
+<para
+>The default is <quote
+>${<envar
+>kde_datadir</envar
+>}/tdm/faces</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-preselectuser"
+><option
+>PreselectUser</option
+></term>
+<listitem>
+<para
+>Specify, if/which user should be preselected for log in: </para>
+<variablelist>
+<varlistentry>
+<term
+><parameter
+>None</parameter
+></term>
+<listitem
+><para
+>do not preselect any user</para
+></listitem>
+</varlistentry>
+<varlistentry>
+<term
+><parameter
+>Previous</parameter
+></term>
+<listitem
+><para
+>the user which successfully logged in last time</para
+></listitem>
+</varlistentry>
+<varlistentry>
+<term
+><parameter
+>Default</parameter
+></term>
+<listitem
+><para
+>the user specified in the <option
+>DefaultUser</option
+> option</para
+></listitem>
+</varlistentry>
+</variablelist>
+
+<para
+>If <option
+>FocusPasswd</option
+> is enabled and a user was preselected, the cursor is placed in the password input field automatically. </para>
+<note
+><para
+>Enabling user preselection can be considered a security hole, as it presents a valid login name to a potential attacker, so he <quote
+>only</quote
+> needs to guess the password. On the other hand, one could set <option
+>DefaultUser</option
+> to a fake login name.</para
+></note>
+ 
+<para
+>The default is <quote
+>None</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-defaultuser"
+><option
+>DefaultUser</option
+></term>
+<listitem>
+<para
+>See <option
+>PreselectUser</option
+>. </para>
+<para
+>Empty by default.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-focuspasswd"
+><option
+>FocusPasswd</option
+></term>
+<listitem>
+<para
+>See <option
+>PreselectUser</option
+>. </para>
+<para
+>The default is <quote
+>false</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-echomode"
+><option
+>EchoMode</option
+></term>
+<listitem>
+<para
+>The password input fields cloak the typed in text. Specify, how to do it: </para>
+<variablelist>
+<varlistentry>
+<term
+><parameter
+>OneStar</parameter
+></term>
+<listitem
+><para
+><literal
+>*</literal
+> is shown for every typed letter</para
+></listitem>
+</varlistentry>
+<varlistentry>
+<term
+><parameter
+>ThreeStars</parameter
+></term>
+<listitem
+><para
+><literal
+>***</literal
+> is shown for every typed letter</para
+></listitem>
+</varlistentry>
+<varlistentry>
+<term
+><parameter
+>NoEcho</parameter
+></term>
+<listitem
+><para
+>nothing is shown at all, the cursor does not move</para
+></listitem>
+</varlistentry>
+</variablelist>
+<para
+>The default is <quote
+>OneStar</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-usebackground"
+><option
+>UseBackground</option
+></term>
+<listitem>
+<para
+>If enabled, &tdm; will automatically start the <command
+>krootimage</command
+> program to set up the background; otherwise, the <option
+>Setup</option
+> program is responsible for the background. </para>
+<para
+>The default is <quote
+>true</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-backgroundcfg"
+><option
+>BackgroundCfg</option
+></term>
+<listitem>
+<para
+>The configuration file to be used by <command
+>krootimage</command
+>. It contains a section named <literal
+>[Desktop0]</literal
+> like <filename
+>kdesktoprc</filename
+> does. Its options are not described herein; guess their meanings or use the control centre. </para>
+<para
+>The default is <quote
+>${<envar
+>kde_confdir</envar
+>}/tdm/backgroundrc</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-grabserver"
+><option
+>GrabServer</option
+></term>
+<listitem>
+<para
+>To improve security, the greeter grabs the &X-Server; and then the keyboard when it starts up. This option specifies if the &X-Server; grab should be held for the duration of the name/password reading. When disabled, the &X-Server; is ungrabbed after the keyboard grab succeeds; otherwise, the &X-Server; is grabbed until just before the session begins. </para>
+<note
+><para
+>Enabling this option disables <option
+>UseBackground</option
+> and <option
+>Setup</option
+>.</para
+></note>
+ 
+<para
+>The default is <quote
+>false</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-grabtimeout"
+><option
+>GrabTimeout</option
+></term>
+<listitem>
+<para
+>This option specifies the maximum time &tdm; will wait for the grabs to succeed. A grab may fail if some other X-client has the &X-Server; or the keyboard grabbed, or possibly if the network latencies are very high. You should be cautious when raising the timeout, as a user can be spoofed by a look-alike window on the display. If a grab fails, &tdm; kills and restarts the &X-Server; (if possible) and the session. </para>
+<para
+>The default is <quote
+>3</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-authcomplain"
+><option
+>AuthComplain</option
+></term>
+<listitem>
+<para
+>Warn, if a display has no X-authorisation. This will be the case if <itemizedlist>
+ <listitem
+><para
+>the authorisation file for a local &X-Server; could not be created, </para
+></listitem>
+ <listitem
+><para
+>a remote display from &XDMCP; did not request any authorisation or </para
+></listitem>
+ <listitem
+><para
+>the display is a <literal
+>foreign</literal
+> display from the <filename
+>Xservers</filename
+> file. </para
+></listitem>
+</itemizedlist>
+</para>
+<para
+>The default is <quote
+>true</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-loginmode"
+><option
+>LoginMode</option
+></term>
+<listitem>
+<para
+>Specify whether the greeter of local displays should start up in host chooser (remote) or login (local) mode and whether it is allowed to switch to the other mode. </para>
+<variablelist>
+<varlistentry>
+<term
+><parameter
+>LocalOnly</parameter
+></term>
+<listitem
+><para
+>only local login possible</para
+></listitem>
+</varlistentry>
+<varlistentry>
+<term
+><parameter
+>DefaultLocal</parameter
+></term>
+<listitem
+><para
+>start up in local mode, but allow switching to remote mode</para
+></listitem>
+</varlistentry>
+<varlistentry>
+<term
+><parameter
+>DefaultRemote</parameter
+></term>
+<listitem
+><para
+>... and the other way round</para
+></listitem>
+</varlistentry>
+<varlistentry>
+<term
+><parameter
+>RemoteOnly</parameter
+></term>
+<listitem
+><para
+>only choice of remote host possible</para
+></listitem>
+</varlistentry>
+</variablelist>
+<para
+>The default is <quote
+>LocalOnly</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-chooserhosts"
+><option
+>ChooserHosts</option
+></term>
+<listitem>
+<para
+>A list of hosts to be automatically added to the remote login menu. The special name <literal
+>*</literal
+> means broadcast. Has no effect if <option
+>LoginMode</option
+> is <literal
+>LocalOnly</literal
+>. </para>
+<para
+>The default is <quote
+>*</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-forgingseed"
+><option
+>ForgingSeed</option
+></term>
+<listitem>
+<para
+>Use this number as a random seed when forging saved session types, etc. of unknown users. This is used to avoid telling an attacker about existing users by reverse conclusion. This value should be random but constant across the login domain. </para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-showlog"
+><option
+>ShowLog</option
+></term>
+<listitem>
+<para
+>Enable &tdm;'s built-in <command
+>xconsole</command
+>. Note that this can be enabled for only one display at a time. This option is available only if &tdm; was <command
+>configure</command
+>d with <option
+>--enable-tdm-xconsole</option
+>. </para>
+<para
+>The default is <quote
+>false</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-logsource"
+><option
+>LogSource</option
+></term>
+<listitem>
+<para
+>The data source for &tdm;'s built-in <command
+>xconsole</command
+>. If empty, a console log redirection is requested from <filename
+>/dev/console</filename
+>. Has no effect if <option
+>ShowLog</option
+> is disabled. </para>
+<para
+>Empty by default.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-pluginslogin"
+><option
+>PluginsLogin</option
+></term>
+<listitem>
+<para
+>Specify conversation plugins for the login dialogue; the first in the list is selected initially. Each plugin can be specified as a base name (which expands to <filename
+>$<envar
+>kde_modulesdir</envar
+>/kgreet_<replaceable
+>base</replaceable
+></filename
+>) or as a full pathname. </para
+><para
+>Conversation plugins are modules for the greeter which obtain authentication data from the user. Currently only the <literal
+>classic</literal
+> plugin is shipped with &kde;; it presents the well-known username and password form. </para>
+<para
+>The default is <quote
+>classic</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-pluginsshutdown"
+><option
+>PluginsShutdown</option
+></term>
+<listitem>
+<para
+>Same as <option
+>PluginsLogin</option
+>, but for the shutdown dialogue. </para>
+<para
+>The default is <quote
+>classic</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-pluginoptions"
+><option
+>PluginOptions</option
+></term>
+<listitem>
+<para
+>A list of options of the form <replaceable
+>Key</replaceable
+><literal
+>=</literal
+><replaceable
+>Value</replaceable
+>. The conversation plugins can query these settings; it is up to them what possible keys are. </para>
+<para
+>Empty by default.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-allowconsole"
+><option
+>AllowConsole</option
+></term>
+<listitem>
+<para
+>Show the <guilabel
+>Console Login</guilabel
+> action in the greeter. For this to work, a console must be configured for this particular display, see <xref linkend="tdmrc-xservers"/>. </para>
+<para
+>The default is <quote
+>true</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-allowclose"
+><option
+>AllowClose</option
+></term>
+<listitem>
+<para
+>Show the <guilabel
+>Restart X Server</guilabel
+>/<guilabel
+>Close Connection</guilabel
+> action in the greeter. </para>
+<para
+>The default is <quote
+>true</quote
+>.</para>
+</listitem>
+</varlistentry>
+
+<varlistentry>
+<term id="option-preloader"
+><option
+>Preloader</option
+></term>
+<listitem>
+<para
+>A program to run while the greeter is visible. It is supposed to preload as much as possible of the session that is going to be started (most probably). </para>
+<para
+>Empty by default.</para>
+</listitem>
+</varlistentry>
+
+</variablelist>
+</sect2>
+
+
+
+</sect1>
+
+<sect1 id="tdmrc-xservers">
+<title
+>Specifying permanent &X-Server;s</title>
+
+<para
+>Each specification indicates a display which should constantly be managed and which is not using &XDMCP;. This method is typically used only for local &X-Server;s that are started by &tdm;, but &tdm; can manage externally started (<quote
+>foreign</quote
+>) &X-Server;s as well, may they run on the local machine or rather remotely.</para>
+
+<para
+>The formal syntax of a specification is <screen>
+<userinput
+><replaceable
+>display&nbsp;name</replaceable
+>&nbsp;[<replaceable
+>display&nbsp;class</replaceable
+>]&nbsp;<literal
+>local</literal
+>[<literal
+>@</literal
+><replaceable
+>tty</replaceable
+>]&nbsp;[<literal
+>reserve</literal
+>]&nbsp;<replaceable
+>server&nbsp;command</replaceable
+></userinput>
+</screen
+> for own &X-Server;s and <screen>
+<userinput
+><replaceable
+>display&nbsp;name</replaceable
+>&nbsp;[<replaceable
+>display&nbsp;class</replaceable
+>]&nbsp;<literal
+>foreign</literal
+></userinput>
+</screen
+> for foreign &X-Server;s.</para>
+
+<para
+>The <replaceable
+>display name</replaceable
+> must be something that can be passed in the <option
+>-display</option
+> option to an X program. This string is used to generate the display-specific section names, so be careful to match the names. The display name of &XDMCP; displays is derived from the display's address by reverse host name resolution. For configuration purposes, the <literal
+>localhost</literal
+> prefix from locally running &XDMCP; displays is <emphasis
+>not</emphasis
+> stripped to make them distinguishable from local &X-Server;s started by &tdm;.</para>
+
+<para
+>The <replaceable
+>display class</replaceable
+> portion is also used in the display-specific sections. This is useful if you have a large collection of similar displays (such as a corral of X terminals) and would like to set options for groups of them. When using &XDMCP;, the display is required to specify the display class, so the manual for your particular X terminal should document the display class string for your device. If it does not, you can run &tdm; in debug mode and <command
+>grep</command
+> the log for <quote
+>class</quote
+>.</para>
+
+<para
+>The <replaceable
+>tty</replaceable
+> specifies which text console an &X-Server; is <quote
+>covering</quote
+>, so &tdm; knows which console it should monitor for activity after switching to <guilabel
+>Console login</guilabel
+> to find out when the console session ends. Note that this concept (originating from Solaris) is not perfectly suited for Linux, as there &X-Server;s run on separate virtual terminals and consequently do not actually cover consoles (<command
+>getty</command
+>s). </para>
+
+<para
+>The <literal
+>reserve</literal
+> keyword instructs &tdm; to start the display not when &tdm; starts up, but when it is explicitly requested via the command <acronym
+>FiFo</acronym
+>. If reserve displays are specified, the &kde; menu will have a <guilabel
+>Start New Session</guilabel
+> item near the bottom; use that to activate a reserve display with a new login session. The monitor will switch to the new display, and you will have a minute to login. If there are no more reserve displays available, selecting the menu item will have no effect.</para>
+
+<para
+>The <replaceable
+>server command</replaceable
+> specifies the complete &X-Server; command line, including a display number for secondary displays. When &tdm; starts a session, it sets up authorisation data for the &X-Server;. For local servers, &tdm; passes <command
+><option
+>-auth</option
+>&nbsp;<filename
+><replaceable
+>filename</replaceable
+></filename
+></command
+> on the &X-Server;'s command line to point it at its authorisation data. For &XDMCP; displays, &tdm; passes the authorisation data to the &X-Server; via the <quote
+>Accept</quote
+> &XDMCP; message.</para>
+
+</sect1>
+
+<sect1 id="tdmrc-xaccess">
+<title
+>&XDMCP; access control</title>
+
+<para
+>The file specified by the <option
+>AccessFile</option
+> option provides information which &tdm; uses to control access from displays requesting service via &XDMCP;. The file contains four types of entries: entries which control the response to <quote
+>Direct</quote
+> and <quote
+>Broadcast</quote
+> queries, entries which control the response to <quote
+>Indirect</quote
+> queries, macro definitions for <quote
+>Indirect</quote
+> entries and entries which control on which network interfaces &tdm; listens for &XDMCP; queries. Blank lines are ignored, <literal
+>#</literal
+> is treated as a comment delimiter causing the rest of that line to be ignored and <literal
+>\</literal
+> causes an immediately following newline to be ignored, allowing indirect host lists to span multiple lines. </para>
+
+<para
+>The format of the <quote
+>Direct</quote
+> entries is simple, either a host name or a pattern, which is compared against the host name of the display device. Patterns are distinguished from host names by the inclusion of one or more meta characters; <literal
+>*</literal
+> matches any sequence of 0 or more characters, and <literal
+>?</literal
+> matches any single character. If the entry is a host name, all comparisons are done using network addresses, so any name which converts to the correct network address may be used. Note that only the first network address returned for a host name is used. For patterns, only canonical host names are used in the comparison, so ensure that you do not attempt to match aliases. Host names from &XDMCP; queries always contain the local domain name even if the reverse lookup returns a short name, so you can use patterns for the local domain. Preceding the entry with a <literal
+>!</literal
+> character causes hosts which match that entry to be excluded. To only respond to <quote
+>Direct</quote
+> queries for a host or pattern, it can be followed by the optional <literal
+>NOBROADCAST</literal
+> keyword. This can be used to prevent a &tdm; server from appearing on menus based on <quote
+>Broadcast</quote
+> queries.</para>
+
+<para
+>An <quote
+>Indirect</quote
+> entry also contains a host name or pattern, but follows it with a list of host names or macros to which the queries should be forwarded. <quote
+>Indirect</quote
+> entries can be excluding as well, in which case a (valid) dummy host name must be supplied to make the entry distinguishable from a <quote
+>Direct</quote
+> entry. If compiled with IPv6 support, multicast address groups may also be included in the list of addresses the queries are forwarded to. If the indirect host list contains the keyword <literal
+>CHOOSER</literal
+>, <quote
+>Indirect</quote
+> queries are not forwarded, but instead a host chooser dialogue is displayed by &tdm;. The chooser will send a <quote
+>Direct</quote
+> query to each of the remaining host names in the list and offer a menu of all the hosts that respond. The host list may contain the keyword <literal
+>BROADCAST</literal
+>, to make the chooser send a <quote
+>Broadcast</quote
+> query as well; note that on some operating systems, UDP packets cannot be broadcast, so this feature will not work. </para>
+
+<para
+>When checking access for a particular display host, each entry is scanned in turn and the first matching entry determines the response. <quote
+>Direct</quote
+> and <quote
+>Broadcast</quote
+> entries are ignored when scanning for an <quote
+>Indirect</quote
+> entry and vice-versa.</para>
+
+<para
+>A macro definition contains a macro name and a list of host names and other macros that the macro expands to. To distinguish macros from hostnames, macro names start with a <literal
+>%</literal
+> character.</para>
+
+<para
+>The last entry type is the <literal
+>LISTEN</literal
+> directive. The formal syntax is <screen>
+<userinput
+>&nbsp;<literal
+>LISTEN</literal
+>&nbsp;[<replaceable
+>interface</replaceable
+>&nbsp;[<replaceable
+>multicast&nbsp;list</replaceable
+>]]</userinput>
+</screen
+> If one or more <literal
+>LISTEN</literal
+> lines are specified, &tdm; listens for &XDMCP; requests only on the specified interfaces. <replaceable
+>interface</replaceable
+> may be a hostname or IP address representing a network interface on this machine, or the wildcard <literal
+>*</literal
+> to represent all available network interfaces. If multicast group addresses are listed on a <literal
+>LISTEN</literal
+> line, &tdm; joins the multicast groups on the given interface. For IPv6 multicasts, the IANA has assigned ff0<replaceable
+>X</replaceable
+>:0:0:0:0:0:0:12b as the permanently assigned range of multicast addresses for &XDMCP;. The <replaceable
+>X</replaceable
+> in the prefix may be replaced by any valid scope identifier, such as 1 for Node-Local, 2 for Link-Local, 5 for Site-Local, and so on (see IETF RFC 2373 or its replacement for further details and scope definitions). &tdm; defaults to listening on the Link-Local scope address ff02:0:0:0:0:0:0:12b to most closely match the IPv4 subnet broadcast behavior. If no <literal
+>LISTEN</literal
+> lines are given, &tdm; listens on all interfaces and joins the default &XDMCP; IPv6 multicast group (when compiled with IPv6 support). To disable listening for &XDMCP; requests altogether, a <literal
+>LISTEN</literal
+> line with no addresses may be specified, but using the <literal
+>[Xdmcp]</literal
+> <option
+>Enable</option
+> option is preferred. </para>
+
+</sect1>
+
+<sect1>
+<title
+>Supplementary programs</title>
+
+<para
+>The following programs are run by &tdm; at various stages of a session. They typically are shell scripts. </para>
+
+<para
+>The Setup, Startup and Reset programs are run as <systemitem class="username"
+>root</systemitem
+>, so they should be careful about security. Their first argument is <literal
+>auto</literal
+> if the session results from an automatic login; otherwise, no arguments are passed to them. </para>
+
+<sect2 id="tdmrc-xsetup">
+<title
+>Setup program</title>
+
+<para
+>The <filename
+>Xsetup</filename
+> program is run after the &X-Server; is started or reset, but before the greeter is offered. This is the place to change the root background (if <option
+>UseBackground</option
+> is disabled) or bring up other windows that should appear on the screen along with the greeter. </para>
+
+<para
+>In addition to any specified by <option
+>ExportList</option
+>, the following environment variables are passed:</para>
+<variablelist>
+ <varlistentry>
+  <term
+>DISPLAY</term>
+  <listitem
+><para
+>the associated display name</para
+></listitem>
+ </varlistentry>
+ <varlistentry>
+  <term
+>PATH</term>
+  <listitem
+><para
+>the value of <option
+>SystemPath</option
+></para
+></listitem>
+ </varlistentry>
+ <varlistentry>
+  <term
+>SHELL</term>
+  <listitem
+><para
+>the value of <option
+>SystemShell</option
+></para
+></listitem>
+ </varlistentry>
+ <varlistentry>
+  <term
+>XAUTHORITY</term>
+  <listitem
+><para
+>may be set to an authority file</para
+></listitem>
+ </varlistentry>
+ <varlistentry>
+  <term
+>DM_CONTROL</term>
+  <listitem
+><para
+>the value of <option
+>FifoDir</option
+></para
+></listitem>
+ </varlistentry>
+</variablelist>
+
+<para
+>Note that since &tdm; grabs the keyboard, any other windows will not be able to receive keyboard input. They will be able to interact with the mouse, however; beware of potential security holes here. If <option
+>GrabServer</option
+> is set, <filename
+>Xsetup</filename
+> will not be able to connect to the display at all. Resources for this program can be put into the file named by <option
+>Resources</option
+>. </para>
+
+</sect2>
+
+<sect2 id="tdmrc-xstartup">
+<title
+>Startup program</title>
+
+<para
+>The <filename
+>Xstartup</filename
+> program is run as <systemitem class="username"
+>root</systemitem
+> when the user logs in. This is the place to put commands which add entries to <filename
+>utmp</filename
+> (the <command
+>sessreg</command
+> program may be useful here), mount users' home directories from file servers, or abort the session if some requirements are not met (but note that on modern systems, many of these tasks are already taken care of by <acronym
+>PAM</acronym
+> modules).</para>
+
+<para
+>In addition to any specified by <option
+>ExportList</option
+>, the following environment variables are passed:</para>
+<variablelist>
+ <varlistentry>
+  <term
+>DISPLAY</term>
+  <listitem
+><para
+>the associated display name</para
+></listitem>
+ </varlistentry>
+ <varlistentry>
+  <term
+>HOME</term>
+  <listitem
+><para
+>the initial working directory of the user</para
+></listitem>
+ </varlistentry>
+ <varlistentry>
+  <term
+>LOGNAME</term>
+  <listitem
+><para
+>the username</para
+></listitem>
+ </varlistentry>
+ <varlistentry>
+  <term
+>USER</term>
+  <listitem
+><para
+>the username</para
+></listitem>
+ </varlistentry>
+ <varlistentry>
+  <term
+>PATH</term>
+  <listitem
+><para
+>the value of <option
+>SystemPath</option
+></para
+></listitem>
+ </varlistentry>
+ <varlistentry>
+  <term
+>SHELL</term>
+  <listitem
+><para
+>the value of <option
+>SystemShell</option
+></para
+></listitem>
+ </varlistentry>
+ <varlistentry>
+  <term
+>XAUTHORITY</term>
+  <listitem
+><para
+>may be set to an authority file</para
+></listitem>
+ </varlistentry>
+ <varlistentry>
+  <term
+>DM_CONTROL</term>
+  <listitem
+><para
+>the value of <option
+>FifoDir</option
+></para
+></listitem>
+ </varlistentry>
+</variablelist>
+
+<para
+>&tdm; waits until this program exits before starting the user session. If the exit value of this program is non-zero, &tdm; discontinues the session and starts another authentication cycle.</para>
+
+</sect2>
+
+<sect2 id="tdmrc-xsession">
+<title
+>Session program</title>
+
+<para
+>The <filename
+>Xsession</filename
+> program is the command which is run as the user's session. It is run with the permissions of the authorised user. One of the keywords <literal
+>failsafe</literal
+>, <literal
+>default</literal
+> or <literal
+>custom</literal
+>, or a string to <command
+>eval</command
+> by a Bourne-compatible shell is passed as the first argument.</para>
+
+<para
+>In addition to any specified by <option
+>ExportList</option
+>, the following environment variables are passed:</para>
+<variablelist>
+ <varlistentry>
+  <term
+>DISPLAY</term>
+  <listitem
+><para
+>the associated display name</para
+></listitem>
+ </varlistentry>
+ <varlistentry>
+  <term
+>HOME</term>
+  <listitem
+><para
+>the initial working directory of the user</para
+></listitem>
+ </varlistentry>
+ <varlistentry>
+  <term
+>LOGNAME</term>
+  <listitem
+><para
+>the username</para
+></listitem>
+ </varlistentry>
+ <varlistentry>
+  <term
+>USER</term>
+  <listitem
+><para
+>the username</para
+></listitem>
+ </varlistentry>
+ <varlistentry>
+  <term
+>PATH</term>
+  <listitem
+><para
+>the value of <option
+>UserPath</option
+> (or <option
+>SystemPath</option
+> for <systemitem class="username"
+>root</systemitem
+> user sessions)</para>
+  </listitem>
+ </varlistentry>
+ <varlistentry>
+  <term
+>SHELL</term>
+  <listitem
+><para
+>the user's default shell</para
+></listitem>
+ </varlistentry>
+ <varlistentry>
+  <term
+>XAUTHORITY</term>
+  <listitem
+><para
+>may be set to a non-standard authority file</para
+></listitem>
+ </varlistentry>
+ <varlistentry>
+  <term
+>KRBTKFILE</term>
+  <listitem
+><para
+>may be set to a Kerberos4 credentials cache name</para>
+  </listitem>
+ </varlistentry>
+ <varlistentry>
+  <term
+>KRB5CCNAME</term>
+  <listitem
+><para
+>may be set to a Kerberos5 credentials cache name</para>
+  </listitem>
+ </varlistentry>
+ <varlistentry>
+  <term
+>DM_CONTROL</term>
+  <listitem
+><para
+>the value of <option
+>FifoDir</option
+></para
+></listitem>
+ </varlistentry>
+ <varlistentry>
+  <term
+>XDM_MANAGED</term>
+  <listitem
+><para
+>will contain a comma-separated list of parameters the session might find interesting, like the location of the command <acronym
+>FiFo</acronym
+> and its capabilities, and which conversation plugin was used for the login</para>
+  </listitem>
+ </varlistentry>
+ <varlistentry>
+  <term
+>DESKTOP_SESSION</term>
+  <listitem
+><para
+>the name of the session the user has chosen to run</para>
+  </listitem>
+ </varlistentry>
+</variablelist>
+
+</sect2>
+
+<sect2 id="tdmrc-xreset">
+<title
+>Reset program</title>
+
+<para
+>Symmetrical with <filename
+>Xstartup</filename
+>, the <filename
+>Xreset</filename
+> program is run after the user session has terminated. Run as <systemitem class="username"
+>root</systemitem
+>, it should contain commands that undo the effects of commands in <filename
+>Xstartup</filename
+>, removing entries from <filename
+>utmp</filename
+> or unmounting directories from file servers.</para>
+
+<para
+>The environment variables that were passed to <filename
+>Xstartup</filename
+> are also passed to <filename
+>Xreset</filename
+>. </para>
+
+</sect2>
+
+</sect1>
+
+</chapter>