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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 15:35:18 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 15:35:18 +0000
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treea5df1a06754bdd014cb975c051c83b01c9a97532 /man/halt.xml
parentInitial commit. (diff)
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systemd-b750101eb236130cf056c675997decbac904cc49.zip
Adding upstream version 252.22.upstream/252.22
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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+<?xml version='1.0'?> <!--*-nxml-*-->
+<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
+ "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
+<!-- SPDX-License-Identifier: LGPL-2.1-or-later -->
+
+<refentry id="halt"
+ xmlns:xi="http://www.w3.org/2001/XInclude">
+
+ <refentryinfo>
+ <title>halt</title>
+ <productname>systemd</productname>
+ </refentryinfo>
+
+ <refmeta>
+ <refentrytitle>halt</refentrytitle>
+ <manvolnum>8</manvolnum>
+ </refmeta>
+
+ <refnamediv>
+ <refname>halt</refname>
+ <refname>poweroff</refname>
+ <refname>reboot</refname>
+ <refpurpose>Halt, power-off or reboot the machine</refpurpose>
+ </refnamediv>
+
+ <refsynopsisdiv>
+ <cmdsynopsis>
+ <command>halt</command>
+ <arg choice="opt" rep="repeat">OPTIONS</arg>
+ </cmdsynopsis>
+ <cmdsynopsis>
+ <command>poweroff</command>
+ <arg choice="opt" rep="repeat">OPTIONS</arg>
+ </cmdsynopsis>
+ <cmdsynopsis>
+ <command>reboot</command>
+ <arg choice="opt" rep="repeat">OPTIONS</arg>
+ </cmdsynopsis>
+ </refsynopsisdiv>
+
+ <refsect1>
+ <title>Description</title>
+
+ <para><command>halt</command>, <command>poweroff</command>, <command>reboot</command> may be used to
+ halt, power-off, or reboot the machine. All three commands take the same options.</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>--halt</option></term>
+
+ <listitem><para>Halt the machine, regardless of which one of
+ the three commands is invoked.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>-p</option></term>
+ <term><option>--poweroff</option></term>
+
+ <listitem><para>Power-off the machine, when either <command>halt</command>
+ or <command>poweroff</command> is invoked. This option is ignored when
+ <command>reboot</command> is invoked.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>--reboot</option></term>
+
+ <listitem><para>Reboot the machine, regardless of which one of
+ the three commands is invoked.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>-f</option></term>
+ <term><option>--force</option></term>
+
+ <listitem>
+ <para>Force immediate halt, power-off, reboot. If specified, the command does not contact the init
+ system. In most cases, filesystems are not properly unmounted before shutdown. For example, the
+ command <command>reboot -f</command> is mostly equivalent to <command>systemctl reboot -ff</command>,
+ instead of <command>systemctl reboot -f</command>.</para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>-w</option></term>
+ <term><option>--wtmp-only</option></term>
+
+ <listitem><para>Only write wtmp shutdown entry, do not
+ actually halt, power-off, reboot.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>-d</option></term>
+ <term><option>--no-wtmp</option></term>
+
+ <listitem><para>Do not write wtmp shutdown
+ entry.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>-n</option></term>
+ <term><option>--no-sync</option></term>
+
+ <listitem><para>Don't sync hard disks/storage media before
+ halt, power-off, reboot.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>--no-wall</option></term>
+
+ <listitem><para>Do not send wall message before halt,
+ power-off, reboot.</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>These commands are implemented in a way that preserves basic compatibility with the original SysV
+ commands. <citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>
+ verbs <command>halt</command>, <command>poweroff</command>, <command>reboot</command> provide the same
+ functionality with some additional features.</para>
+
+ <para>Note that on many SysV systems <command>halt</command> used to be synonymous to
+ <command>poweroff</command>, i.e. both commands would equally result in powering the machine off. systemd
+ is more accurate here, and <command>halt</command> results in halting the machine only (leaving power
+ on), and <command>poweroff</command> is required to actually power it off.</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><refentrytitle>shutdown</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
+ <citerefentry project='man-pages'><refentrytitle>wall</refentrytitle><manvolnum>1</manvolnum></citerefentry>
+ </para>
+ </refsect1>
+
+</refentry>