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[elogind.git] / man / systemd.exec.xml
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         <refsynopsisdiv>
                 <para><filename>systemd.service</filename>,
                 <filename>systemd.socket</filename>,
         <refsynopsisdiv>
                 <para><filename>systemd.service</filename>,
                 <filename>systemd.socket</filename>,
-                <filename>systemd.mount</filename></para>
+                <filename>systemd.mount</filename>,
+                <filename>systemd.swap</filename></para>
         </refsynopsisdiv>
 
         <refsect1>
                 <title>Description</title>
 
                 <para>Unit configuration files for services, sockets
         </refsynopsisdiv>
 
         <refsect1>
                 <title>Description</title>
 
                 <para>Unit configuration files for services, sockets
-                and mount points share a subset of configuration
-                options which define the execution environment of
-                spawned processes.</para>
+                mount points and swap devices share a subset of
+                configuration options which define the execution
+                environment of spawned processes.</para>
 
                 <para>This man page lists the configuration options
                 shared by these three unit types. See
                 <citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>
                 for the common options of all unit configuration
                 files, and
 
                 <para>This man page lists the configuration options
                 shared by these three unit types. See
                 <citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>
                 for the common options of all unit configuration
                 files, and
-                <citerefentry><refentrytitle>systemd.service</refentrytitle><manvolnum>5</manvolnum></citerefentry>, <citerefentry><refentrytitle>systemd.socket</refentrytitle><manvolnum>5</manvolnum></citerefentry>
+                <citerefentry><refentrytitle>systemd.service</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
+                <citerefentry><refentrytitle>systemd.socket</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
+                <citerefentry><refentrytitle>systemd.swap</refentrytitle><manvolnum>5</manvolnum></citerefentry>
                 and
                 <citerefentry><refentrytitle>systemd.mount</refentrytitle><manvolnum>5</manvolnum></citerefentry>
                 for more information on the specific unit
                 configuration files. The execution specific
                 configuration options are configured in the [Service],
                 and
                 <citerefentry><refentrytitle>systemd.mount</refentrytitle><manvolnum>5</manvolnum></citerefentry>
                 for more information on the specific unit
                 configuration files. The execution specific
                 configuration options are configured in the [Service],
-                [Socket] resp. [Mount] section, depending on the unit
+                [Socket], [Mount] resp. [Swap] section, depending on the unit
                 type.</para>
         </refsect1>
 
                 type.</para>
         </refsect1>
 
                                 be specified more than once in which
                                 case all listed groups are set as
                                 supplementary groups. This option does
                                 be specified more than once in which
                                 case all listed groups are set as
                                 supplementary groups. This option does
-                                not override but extend the list of
+                                not override but extends the list of
                                 supplementary groups configured in the
                                 system group database for the
                                 user.</para></listitem>
                                 supplementary groups configured in the
                                 system group database for the
                                 user.</para></listitem>
                                 contain new-line separated variable
                                 assignments. Empty lines and lines
                                 starting with ; or # will be ignored,
                                 contain new-line separated variable
                                 assignments. Empty lines and lines
                                 starting with ; or # will be ignored,
-                                which may be used for
-                                commenting.</para></listitem>
+                                which may be used for commenting. The
+                                argument passed should be an absolute
+                                file name, optionally prefixed with
+                                "-", which indicates that if the file
+                                does not exist it won't be read and no
+                                error or warning message is
+                                logged.</para></listitem>
                         </varlistentry>
 
                         <varlistentry>
                         </varlistentry>
 
                         <varlistentry>
                                 below) and the executed process
                                 becomes the controlling process of the
                                 terminal. If the terminal is already
                                 below) and the executed process
                                 becomes the controlling process of the
                                 terminal. If the terminal is already
-                                being controlled by another process it
-                                is waited until that process releases
-                                the
-                                terminal. <option>tty-force</option>
+                                being controlled by another process the
+                                executed process waits until the current
+                                controlling process releases the
+                                terminal.
+                                <option>tty-force</option>
                                 is similar to <option>tty</option>,
                                 but the executed process is forcefully
                                 and immediately made the controlling
                                 is similar to <option>tty</option>,
                                 but the executed process is forcefully
                                 and immediately made the controlling
                                 <option>null</option>,
                                 <option>tty</option>,
                                 <option>syslog</option>,
                                 <option>null</option>,
                                 <option>tty</option>,
                                 <option>syslog</option>,
-                                <option>kmsg</option> or
+                                <option>kmsg</option>,
+                                <option>kmsg+console</option>,
+                                <option>syslog+console</option> or
                                 <option>socket</option>. If set to
                                 <option>inherit</option> the file
                                 descriptor of standard input is
                                 <option>socket</option>. If set to
                                 <option>inherit</option> the file
                                 descriptor of standard input is
                                 system logger. <option>kmsg</option>
                                 connects it with the kernel log buffer
                                 which is accessible via
                                 system logger. <option>kmsg</option>
                                 connects it with the kernel log buffer
                                 which is accessible via
-                                <citerefentry><refentrytitle>dmesg</refentrytitle><manvolnum>1</manvolnum></citerefentry>. <option>socket</option>
-                                connects standard output to a socket
-                                from socket activation, semantics are
+                                <citerefentry><refentrytitle>dmesg</refentrytitle><manvolnum>1</manvolnum></citerefentry>. <option>syslog+console</option>
+                                and <option>kmsg+console</option> work
+                                similarly but copy the output to the
+                                system console as
+                                well. <option>socket</option> connects
+                                standard output to a socket from
+                                socket activation, semantics are
                                 similar to the respective option of
                                 <varname>StandardInput=</varname>.
                                 This setting defaults to
                                 similar to the respective option of
                                 <varname>StandardInput=</varname>.
                                 This setting defaults to
                                 available options are identical to
                                 those of
                                 <varname>StandardOutput=</varname>,
                                 available options are identical to
                                 those of
                                 <varname>StandardOutput=</varname>,
-                                whith one exception: if set to
+                                with one exception: if set to
                                 <option>inherit</option> the file
                                 descriptor used for standard output is
                                 duplicated for standard error. This
                                 <option>inherit</option> the file
                                 descriptor used for standard output is
                                 duplicated for standard error. This
                                 <filename>/dev/console</filename>.</para></listitem>
                         </varlistentry>
                         <varlistentry>
                                 <filename>/dev/console</filename>.</para></listitem>
                         </varlistentry>
                         <varlistentry>
-                                <term><varname>SyslogIdentifer=</varname></term>
+                                <term><varname>SyslogIdentifier=</varname></term>
                                 <listitem><para>Sets the process name
                                 to prefix log lines sent to syslog or
                                 the kernel log buffer with. If not set
                                 <listitem><para>Sets the process name
                                 to prefix log lines sent to syslog or
                                 the kernel log buffer with. If not set
                                 <term><varname>TimerSlackNSec=</varname></term>
                                 <listitem><para>Sets the timer slack
                                 in nanoseconds for the executed
                                 <term><varname>TimerSlackNSec=</varname></term>
                                 <listitem><para>Sets the timer slack
                                 in nanoseconds for the executed
-                                processes The timer slack controls the
+                                processes. The timer slack controls the
                                 accuracy of wake-ups triggered by
                                 timers. See
                                 <citerefentry><refentrytitle>prctl</refentrytitle><manvolnum>2</manvolnum></citerefentry>
                                 for more information. Note that in
                                 contrast to most other time span
                                 accuracy of wake-ups triggered by
                                 timers. See
                                 <citerefentry><refentrytitle>prctl</refentrytitle><manvolnum>2</manvolnum></citerefentry>
                                 for more information. Note that in
                                 contrast to most other time span
-                                definitions this value is takes a
-                                nano-seconds integer and does not
-                                understand any other
+                                definitions this parameter takes an
+                                integer value in nano-seconds and does
+                                not understand any other
                                 units.</para></listitem>
                         </varlistentry>
 
                                 units.</para></listitem>
                         </varlistentry>
 
                                 restricting access with these options
                                 does not extend to submounts of a
                                 directory. You must list submounts
                                 restricting access with these options
                                 does not extend to submounts of a
                                 directory. You must list submounts
-                                separately in these setttings to
+                                separately in these settings to
                                 ensure the same limited access. These
                                 options may be specified more than
                                 once in which case all directories
                                 ensure the same limited access. These
                                 options may be specified more than
                                 once in which case all directories
                           <citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
                           <citerefentry><refentrytitle>systemd.service</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
                           <citerefentry><refentrytitle>systemd.socket</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
                           <citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
                           <citerefentry><refentrytitle>systemd.service</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
                           <citerefentry><refentrytitle>systemd.socket</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
+                          <citerefentry><refentrytitle>systemd.swap</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
                           <citerefentry><refentrytitle>systemd.mount</refentrytitle><manvolnum>5</manvolnum></citerefentry>
                   </para>
         </refsect1>
                           <citerefentry><refentrytitle>systemd.mount</refentrytitle><manvolnum>5</manvolnum></citerefentry>
                   </para>
         </refsect1>