1 <html><head><meta http-equiv=
"Content-Type" content=
"text/html; charset=UTF-8"><title>halt
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15 h1:hover
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18 </style><a href=
"index.html">Index
</a>·
19 <a href=
"systemd.directives.html">Directives
</a>·
20 <a href=
"../python-systemd/index.html">Python
</a>·
21 <a href=
"../libudev/index.html">libudev
</a>·
22 <a href=
"../libudev/index.html">gudev
</a><span style=
"float:right">systemd
218</span><hr><div class=
"refentry"><a name=
"halt"></a><div class=
"titlepage"></div><div class=
"refnamediv"><h2>Name
</h2><p>halt, poweroff, reboot — Halt, power-off or reboot the machine
</p></div><div class=
"refsynopsisdiv"><h2>Synopsis
</h2><div class=
"cmdsynopsis"><p><code class=
"command">halt [OPTIONS...]
</code> </p></div><div class=
"cmdsynopsis"><p><code class=
"command">poweroff [OPTIONS...]
</code> </p></div><div class=
"cmdsynopsis"><p><code class=
"command">reboot [OPTIONS...]
</code> </p></div></div><div class=
"refsect1"><a name=
"idm140244150890256"></a><h2 id=
"Description">Description
<a class=
"headerlink" title=
"Permalink to this headline" href=
"#Description">¶
</a></h2><p><span class=
"command"><strong>halt
</strong></span>,
23 <span class=
"command"><strong>poweroff
</strong></span>,
<span class=
"command"><strong>reboot
</strong></span>
24 may be used to halt, power-off or reboot the
25 machine.
</p></div><div class=
"refsect1"><a name=
"idm140244150887104"></a><h2 id=
"Options">Options
<a class=
"headerlink" title=
"Permalink to this headline" href=
"#Options">¶
</a></h2><p>The following options are understood:
</p><div class=
"variablelist"><dl class=
"variablelist"><dt id=
"--help"><span class=
"term"><code class=
"option">--help
</code></span><a class=
"headerlink" title=
"Permalink to this term" href=
"#--help">¶
</a></dt><dd><p><a name=
"help-text"></a>Print a short help text and exit.
26 </p></dd><dt id=
"--halt"><span class=
"term"><code class=
"option">--halt
</code></span><a class=
"headerlink" title=
"Permalink to this term" href=
"#--halt">¶
</a></dt><dd><p>Halt the machine,
27 regardless of which one of the three
28 commands is invoked.
</p></dd><dt id=
"-p"><span class=
"term"><code class=
"option">-p
</code>,
</span><span class=
"term"><code class=
"option">--poweroff
</code></span><a class=
"headerlink" title=
"Permalink to this term" href=
"#-p">¶
</a></dt><dd><p>Power-off the machine,
29 regardless of which one of the three
30 commands is invoked.
</p></dd><dt id=
"--reboot"><span class=
"term"><code class=
"option">--reboot
</code></span><a class=
"headerlink" title=
"Permalink to this term" href=
"#--reboot">¶
</a></dt><dd><p>Reboot the machine,
31 regardless of which one of the three
32 commands is invoked.
</p></dd><dt id=
"-f"><span class=
"term"><code class=
"option">-f
</code>,
</span><span class=
"term"><code class=
"option">--force
</code></span><a class=
"headerlink" title=
"Permalink to this term" href=
"#-f">¶
</a></dt><dd><p>Force immediate halt,
33 power-off, reboot. Do not contact the
34 init system.
</p></dd><dt id=
"-w"><span class=
"term"><code class=
"option">-w
</code>,
</span><span class=
"term"><code class=
"option">--wtmp-only
</code></span><a class=
"headerlink" title=
"Permalink to this term" href=
"#-w">¶
</a></dt><dd><p>Only write wtmp
35 shutdown entry, do not actually halt,
36 power-off, reboot.
</p></dd><dt id=
"-d"><span class=
"term"><code class=
"option">-d
</code>,
</span><span class=
"term"><code class=
"option">--no-wtmp
</code></span><a class=
"headerlink" title=
"Permalink to this term" href=
"#-d">¶
</a></dt><dd><p>Do not write wtmp
37 shutdown entry.
</p></dd><dt id=
"--no-wall"><span class=
"term"><code class=
"option">--no-wall
</code></span><a class=
"headerlink" title=
"Permalink to this term" href=
"#--no-wall">¶
</a></dt><dd><p>Do not send wall
39 halt, power-off, reboot.
</p></dd></dl></div></div><div class=
"refsect1"><a name=
"idm140244154770432"></a><h2 id=
"Exit status">Exit status
<a class=
"headerlink" title=
"Permalink to this headline" href=
"#Exit%20status">¶
</a></h2><p>On success,
0 is returned, a non-zero failure
40 code otherwise.
</p></div><div class=
"refsect1"><a name=
"idm140244154769248"></a><h2 id=
"Notes">Notes
<a class=
"headerlink" title=
"Permalink to this headline" href=
"#Notes">¶
</a></h2><p>These are legacy commands available for
41 compatibility only.
</p></div><div class=
"refsect1"><a name=
"idm140244154768064"></a><h2 id=
"See Also">See Also
<a class=
"headerlink" title=
"Permalink to this headline" href=
"#See%20Also">¶
</a></h2><p>
42 <a href=
"systemd.html"><span class=
"citerefentry"><span class=
"refentrytitle">systemd
</span>(
1)
</span></a>,
43 <a href=
"systemctl.html"><span class=
"citerefentry"><span class=
"refentrytitle">systemctl
</span>(
1)
</span></a>,
44 <a href=
"shutdown.html"><span class=
"citerefentry"><span class=
"refentrytitle">shutdown
</span>(
8)
</span></a>,
45 <a href=
"http://man7.org/linux/man-pages/man1/wall.1.html"><span class=
"citerefentry"><span class=
"refentrytitle">wall
</span>(
1)
</span></a>
46 </p></div></div></body></html>