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- "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd" [
-<!ENTITY % entities SYSTEM "custom-entities.ent" >
-%entities;
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+ "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
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+ SPDX-License-Identifier: LGPL-2.1+
+
This file is part of systemd.
Copyright 2010 Lennart Poettering
<term><option>-f</option></term>
<term><option>--force</option></term>
- <listitem><para>Force immediate halt, power-off, reboot. Do
- not contact the init system.</para></listitem>
+ <listitem><para>Force immediate halt, power-off, or reboot. When
+ specified once, this results in an immediate but clean shutdown
+ by the system manager. When specified twice, this results in an
+ immediate shutdown without contacting the system manager. See the
+ description of <option>--force</option> in
+ <citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>
+ for more details.</para></listitem>
</varlistentry>
<varlistentry>
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>
<refsect1>
<title>Notes</title>
- <para>These are legacy commands available for compatibility
- only.</para>
+ <para>These commands are implemented in a way that preserves compatiblity 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>
</refsect1>
<refsect1>