+++ /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 Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
--->
-
-<refentry id="runlevel"
- xmlns:xi="http://www.w3.org/2001/XInclude"
- conditional="HAVE_UTMP">
-
- <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 separated 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 overridden in the environment, this will check the
- utmp database for recent runlevel changes.</para>
- </refsect1>
-
- <refsect1>
- <title>Options</title>
-
- <para>The following option is understood:</para>
-
- <variablelist>
- <varlistentry>
- <term><option>--help</option></term>
-
- <xi:include href="standard-options.xml" xpointer="help-text" />
- </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 class='environment-variables'>
- <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><filename>/var/run/utmp</filename></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 command available for compatibility only.
- It should not be used anymore, as the concept of runlevels is
- obsolete.</para>
- </refsect1>
-
- <refsect1>
- <title>See Also</title>
- <para>
- <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
- <citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>
- </para>
- </refsect1>
-
-</refentry>
~ianmdlvl / elogind.git / blobdiff