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<?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">
<!--
SPDX-License-Identifier: LGPL-2.1+
This file is part of systemd.
Copyright 2010 Lennart Poettering
-->
<refentry id="telinit"
xmlns:xi="http://www.w3.org/2001/XInclude">
<refentryinfo>
<title>telinit</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>telinit</refentrytitle>
<manvolnum>8</manvolnum>
</refmeta>
<refnamediv>
<refname>telinit</refname>
<refpurpose>Change SysV runlevel</refpurpose>
</refnamediv>
<refsynopsisdiv>
<cmdsynopsis>
<command>telinit <arg choice="opt" rep="repeat">OPTIONS</arg> <arg choice="req">COMMAND</arg></command>
</cmdsynopsis>
</refsynopsisdiv>
<refsect1>
<title>Description</title>
<para><command>telinit</command> may be used to change the SysV
system runlevel. Since the concept of SysV runlevels is obsolete
the runlevel requests will be transparently translated into
systemd unit activation requests.</para>
</refsect1>
<refsect1>
<title>Options</title>
<para>The following options are understood:</para>
<variablelist>
<varlistentry>
<term><option>--help</option></term>
<xi:include href="standard-options.xml" xpointer="help-text" />
</varlistentry>
<varlistentry>
<term><option>--no-wall</option></term>
<listitem><para>Do not send wall message before
reboot/halt/power-off.</para></listitem>
</varlistentry>
</variablelist>
<para>The following commands are understood:</para>
<variablelist>
<varlistentry>
<term><command>0</command></term>
<listitem><para>Power-off the machine. This is translated into
an activation request for <filename>poweroff.target</filename>
and is equivalent to <command>systemctl
poweroff</command>.</para></listitem>
</varlistentry>
<varlistentry>
<term><command>6</command></term>
<listitem><para>Reboot the machine. This is translated into an
activation request for <filename>reboot.target</filename> and
is equivalent to <command>systemctl
reboot</command>.</para></listitem>
</varlistentry>
<varlistentry>
<term><command>2</command></term>
<term><command>3</command></term>
<term><command>4</command></term>
<term><command>5</command></term>
<listitem><para>Change the SysV runlevel. This is translated
into an activation request for
<filename>runlevel2.target</filename>,
<filename>runlevel3.target</filename>, … and is equivalent
to <command>systemctl isolate runlevel2.target</command>,
<command>systemctl isolate runlevel3.target</command>,
…</para></listitem>
</varlistentry>
<varlistentry>
<term><command>1</command></term>
<term><command>s</command></term>
<term><command>S</command></term>
<listitem><para>Change into system rescue mode. This is
translated into an activation request for
<filename>rescue.target</filename> and is equivalent to
<command>systemctl rescue</command>.</para></listitem>
</varlistentry>
<varlistentry>
<term><command>q</command></term>
<term><command>Q</command></term>
<listitem><para>Reload daemon configuration. This is
equivalent to <command>systemctl
daemon-reload</command>.</para></listitem>
</varlistentry>
<varlistentry>
<term><command>u</command></term>
<term><command>U</command></term>
<listitem><para>Serialize state, reexecute daemon and
deserialize state again. This is equivalent to
<command>systemctl daemon-reexec</command>.</para></listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1>
<title>Exit status</title>
<para>On success, 0 is returned, a non-zero failure
code otherwise.</para>
</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>,
<citerefentry project='man-pages'><refentrytitle>wall</refentrytitle><manvolnum>1</manvolnum></citerefentry>
</para>
</refsect1>
</refentry>
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