1 <?xml version='1.0'?> <!--*-nxml-*-->
2 <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
3 "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
6 This file is part of systemd.
8 Copyright 2010 Lennart Poettering
10 systemd is free software; you can redistribute it and/or modify it
11 under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2 of the License, or
13 (at your option) any later version.
15 systemd is distributed in the hope that it will be useful, but
16 WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with systemd; If not, see <http://www.gnu.org/licenses/>.
28 <productname>systemd</productname>
32 <contrib>Developer</contrib>
33 <firstname>Lennart</firstname>
34 <surname>Poettering</surname>
35 <email>lennart@poettering.net</email>
41 <refentrytitle>halt</refentrytitle>
42 <manvolnum>8</manvolnum>
46 <refname>halt</refname>
47 <refname>poweroff</refname>
48 <refname>reboot</refname>
49 <refpurpose>Halt, power-off or reboot the machine</refpurpose>
54 <command>halt <arg choice="opt" rep="repeat">OPTIONS</arg></command>
57 <command>poweroff <arg choice="opt" rep="repeat">OPTIONS</arg></command>
60 <command>reboot <arg choice="opt" rep="repeat">OPTIONS</arg></command>
65 <title>Description</title>
67 <para><command>halt</command>,
68 <command>poweroff</command>, <command>reboot</command>
69 may be used to halt, power-off or reboot the
75 <title>Options</title>
77 <para>The following options are understood:</para>
81 <term><option>--help</option></term>
83 <listitem><para>Prints a short help
84 text and exits.</para></listitem>
88 <term><option>--halt</option></term>
90 <listitem><para>Halt the machine,
91 regardless which one of the three
92 commands is invoked.</para></listitem>
96 <term><option>-p</option></term>
97 <term><option>--poweroff</option></term>
99 <listitem><para>Power-off the machine,
100 regardless which one of the three
101 commands is invoked.</para></listitem>
105 <term><option>--reboot</option></term>
107 <listitem><para>Reboot the machine,
108 regardless which one of the three
109 commands is invoked.</para></listitem>
113 <term><option>-f</option></term>
114 <term><option>--force</option></term>
116 <listitem><para>Force immediate halt,
117 power-off, reboot. Don't contact the
118 init system.</para></listitem>
122 <term><option>-w</option></term>
123 <term><option>--wtmp-only</option></term>
125 <listitem><para>Only write wtmp
126 shutdown entry, don't actually halt,
127 power-off, reboot.</para></listitem>
131 <term><option>-d</option></term>
132 <term><option>--no-wtmp</option></term>
134 <listitem><para>Don't write wtmp
135 shutdown entry.</para></listitem>
139 <term><option>-n</option></term>
140 <term><option>--no-sync</option></term>
142 <listitem><para>Don't sync hard disks/storage media before
144 reboot.</para></listitem>
148 <term><option>--no-wall</option></term>
150 <listitem><para>Don't send wall
152 halt, power-off, reboot.</para></listitem>
158 <title>Exit status</title>
160 <para>On success 0 is returned, a non-zero failure
161 code otherwise.</para>
167 <para>These are legacy commands available for
168 compatibility only.</para>
172 <title>See Also</title>
174 <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
175 <citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
176 <citerefentry><refentrytitle>shutdown</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
177 <citerefentry><refentrytitle>wall</refentrytitle><manvolnum>1</manvolnum></citerefentry>