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Diffstat (limited to 'man/runlevel.xml')
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diff --git a/man/runlevel.xml b/man/runlevel.xml new file mode 100644 index 0000000000..1404ff6d2f --- /dev/null +++ b/man/runlevel.xml @@ -0,0 +1,149 @@ +<?xml version='1.0'?> <!--*-nxml-*--> +<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" + "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"> + +<!-- + This file is part of systemd. + + Copyright 2010 Lennart Poettering + + systemd is free software; you can redistribute it and/or modify it + under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + systemd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with systemd; If not, see <http://www.gnu.org/licenses/>. +--> + +<refentry id="systemd"> + + <refentryinfo> + <title>runlevel</title> + <productname>systemd</productname> + + <authorgroup> + <author> + <contrib>Developer</contrib> + <firstname>Lennart</firstname> + <surname>Poettering</surname> + <email>lennart@poettering.net</email> + </author> + </authorgroup> + </refentryinfo> + + <refmeta> + <refentrytitle>runlevel</refentrytitle> + <manvolnum>8</manvolnum> + </refmeta> + + <refnamediv> + <refname>runlevel</refname> + <refpurpose>Print previous and current SysV runlevel</refpurpose> + </refnamediv> + + <refsynopsisdiv> + <cmdsynopsis> + <command>runlevel <arg choice="opt" rep="repeat">options</arg></command> + </cmdsynopsis> + </refsynopsisdiv> + + <refsect1> + <title>Description</title> + + <para><command>runlevel</command> prints the previous + and current SysV runlevel if they are known.</para> + + <para>The two runlevel characters are seperated by a + single space character. If a runlevel cannot be + determined N is printed instead. If neither can be + determined the word "unknown" is printed.</para> + + <para>Unless overriden in the environment this will + check the utmp database for recent runlevel + changes.</para> + + <para>The following option is understood:</para> + + <variablelist> + <varlistentry> + <term>--help</term> + + <listitem><para>Prints a short help + text and exits.</para></listitem> + </varlistentry> + </variablelist> + + </refsect1> + + <refsect1> + <title>Exit status</title> + + <para>If one or both runlevels could be determined, 0 + is returned, a non-zero failure code otherwise.</para> + + </refsect1> + + <refsect1> + <title>Environment</title> + + <variablelist> + <varlistentry> + <term><varname>$RUNLEVEL</varname></term> + + <listitem><para>If + <varname>$RUNLEVEL</varname> is set, + <command>runlevel</command> will print + this value as current runlevel and + ignore utmp.</para></listitem> + </varlistentry> + + <varlistentry> + <term><varname>$PREVLEVEL</varname></term> + + <listitem><para>If + <varname>$PREVLEVEL</varname> is set + <command>runlevel</command> will print + this value as previous runlevel and + ignore utmp.</para></listitem> + </varlistentry> + </variablelist> + </refsect1> + + <refsect1> + <title>Files</title> + + <variablelist> + <varlistentry> + <term><varname>/var/run/utmp</varname></term> + + <listitem><para>The utmp database + <command>runlevel</command> reads the + previous and current runlevel + from.</para></listitem> + + </varlistentry> + </variablelist> + </refsect1> + + <refsect1> + <title>Notes</title> + + <para>This is a legacy call available for compatbility + only. It should not be used anymore, as the concept of + runlevels is obselete.</para> + </refsect1> + + <refsect1> + <title>See Also</title> + <para> + <citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>, + </para> + </refsect1> + +</refentry> |