--- /dev/null
+<?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>
~ianmdlvl / elogind.git / blobdiff