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<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>halt</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><style>
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</style><a href="index.html">Index </a>·
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<a href="../libudev/index.html">gudev </a><span style="float:right">systemd 204</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="idm259768280352"></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>,
<span class="command"><strong>poweroff</strong></span>, <span class="command"><strong>reboot</strong></span>
may be used to halt, power-off or reboot the
machine.</p></div><div class="refsect1"><a name="idm259768277152"></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>Prints a short help
text and exits.</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,
regardless of which one of the three
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,
regardless of which one of the three
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,
regardless of which one of the three
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,
power-off, reboot. Don't contact the
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
shutdown entry, don't actually halt,
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>Don't write wtmp
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>Don't send wall
message before
halt, power-off, reboot.</p></dd></dl></div></div><div class="refsect1"><a name="idm259772158320"></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
code otherwise.</p></div><div class="refsect1"><a name="idm259772157136"></a><h2 id="Notes">Notes<a class="headerlink" title="Permalink to this headline" href="#Notes">¶</a></h2><p>These are legacy commands available for
compatibility only.</p></div><div class="refsect1"><a name="idm259772155952"></a><h2 id="See Also">See Also<a class="headerlink" title="Permalink to this headline" href="#See%20Also">¶</a></h2><p>
<a href="systemd.html"><span class="citerefentry"><span class="refentrytitle">systemd</span>(1)</span></a>,
<a href="systemctl.html"><span class="citerefentry"><span class="refentrytitle">systemctl</span>(1)</span></a>,
<a href="shutdown.html"><span class="citerefentry"><span class="refentrytitle">shutdown</span>(8)</span></a>,
<a href="wall.html"><span class="citerefentry"><span class="refentrytitle">wall</span>(1)</span></a>
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