man/halt.xml

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   8   Copyright 2010 Lennart Poettering
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  23
  24 <refentry id="halt"
  25     xmlns:xi="http://www.w3.org/2001/XInclude">
  26
  27   <refentryinfo>
  28     <title>halt</title>
  29     <productname>systemd</productname>
  30
  31     <authorgroup>
  32       <author>
  33         <contrib>Developer</contrib>
  34         <firstname>Lennart</firstname>
  35         <surname>Poettering</surname>
  36         <email>lennart@poettering.net</email>
  37       </author>
  38     </authorgroup>
  39   </refentryinfo>
  40
  41   <refmeta>
  42     <refentrytitle>halt</refentrytitle>
  43     <manvolnum>8</manvolnum>
  44   </refmeta>
  45
  46   <refnamediv>
  47     <refname>halt</refname>
  48     <refname>poweroff</refname>
  49     <refname>reboot</refname>
  50     <refpurpose>Halt, power-off or reboot the machine</refpurpose>
  51   </refnamediv>
  52
  53   <refsynopsisdiv>
  54     <cmdsynopsis>
  55       <command>halt</command>
  56       <arg choice="opt" rep="repeat">OPTIONS</arg>
  57     </cmdsynopsis>
  58     <cmdsynopsis>
  59       <command>poweroff</command>
  60       <arg choice="opt" rep="repeat">OPTIONS</arg>
  61     </cmdsynopsis>
  62     <cmdsynopsis>
  63       <command>reboot</command>
  64       <arg choice="opt" rep="repeat">OPTIONS</arg>
  65     </cmdsynopsis>
  66   </refsynopsisdiv>
  67
  68   <refsect1>
  69     <title>Description</title>
  70
  71     <para><command>halt</command>, <command>poweroff</command>,
  72     <command>reboot</command> may be used to halt, power-off or reboot
  73     the machine.</para>
  74
  75   </refsect1>
  76
  77   <refsect1>
  78     <title>Options</title>
  79
  80     <para>The following options are understood:</para>
  81
  82     <variablelist>
  83       <varlistentry>
  84         <term><option>--help</option></term>
  85
  86         <xi:include href="standard-options.xml" xpointer="help-text" />
  87       </varlistentry>
  88
  89       <varlistentry>
  90         <term><option>--halt</option></term>
  91
  92         <listitem><para>Halt the machine, regardless of which one of
  93         the three commands is invoked.</para></listitem>
  94       </varlistentry>
  95
  96       <varlistentry>
  97         <term><option>-p</option></term>
  98         <term><option>--poweroff</option></term>
  99
 100         <listitem><para>Power-off the machine, regardless of which one
 101         of the three commands is invoked.</para></listitem>
 102       </varlistentry>
 103
 104       <varlistentry>
 105         <term><option>--reboot</option></term>
 106
 107         <listitem><para>Reboot the machine, regardless of which one of
 108         the three commands is invoked.</para></listitem>
 109       </varlistentry>
 110
 111       <varlistentry>
 112         <term><option>-f</option></term>
 113         <term><option>--force</option></term>
 114
 115         <listitem><para>Force immediate halt, power-off, reboot. Do
 116         not contact the init system.</para></listitem>
 117       </varlistentry>
 118
 119       <varlistentry>
 120         <term><option>-w</option></term>
 121         <term><option>--wtmp-only</option></term>
 122
 123         <listitem><para>Only write wtmp shutdown entry, do not
 124         actually halt, power-off, reboot.</para></listitem>
 125       </varlistentry>
 126
 127       <varlistentry>
 128         <term><option>-d</option></term>
 129         <term><option>--no-wtmp</option></term>
 130
 131         <listitem><para>Do not write wtmp shutdown
 132         entry.</para></listitem>
 133       </varlistentry>
 134
 135       <varlistentry>
 136         <term><option>-n</option></term>
 137         <term><option>--no-sync</option></term>
 138
 139         <listitem><para>Don't sync hard disks/storage media before
 140         halt, power-off, reboot.</para></listitem>
 141       </varlistentry>
 142
 143       <varlistentry>
 144         <term><option>--no-wall</option></term>
 145
 146         <listitem><para>Do not send wall message before halt,
 147         power-off, reboot.</para></listitem>
 148       </varlistentry>
 149     </variablelist>
 150   </refsect1>
 151
 152   <refsect1>
 153     <title>Exit status</title>
 154
 155     <para>On success, 0 is returned, a non-zero failure code
 156     otherwise.</para>
 157   </refsect1>
 158
 159   <refsect1>
 160     <title>Notes</title>
 161
 162     <para>These are legacy commands available for compatibility
 163     only.</para>
 164   </refsect1>
 165
 166   <refsect1>
 167     <title>See Also</title>
 168     <para>
 169       <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
 170       <citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
 171       <citerefentry><refentrytitle>shutdown</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
 172       <citerefentry project='man-pages'><refentrytitle>wall</refentrytitle><manvolnum>1</manvolnum></citerefentry>
 173     </para>
 174   </refsect1>
 175
 176 </refentry>