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</style><a href="index.html">Index </a>·
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<a href="systemd.directives.html">Directives </a>·
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<a href="../python-systemd/index.html">Python </a>·
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<a href="../libudev/index.html">libudev </a>·
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<a href="../libudev/index.html">gudev </a><span style="float:right">systemd 219</span><hr><div class="refentry"><a name="runlevel"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>runlevel — Print previous and current SysV runlevel</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="cmdsynopsis"><p><code class="command">runlevel [options...]</code> </p></div></div><div class="refsect1"><a name="idm140690251760784"></a><h2 id="Description">Description<a class="headerlink" title="Permalink to this headline" href="#Description">¶</a></h2><p><span class="command"><strong>runlevel</strong></span> prints the previous and current
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SysV runlevel if they are known.</p><p>The two runlevel characters are separated by a single space
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character. If a runlevel cannot be determined, N is printed
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instead. If neither can be determined, the word "unknown" is
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printed.</p><p>Unless overridden in the environment, this will check the
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utmp database for recent runlevel changes.</p></div><div class="refsect1"><a name="idm140690251757920"></a><h2 id="Options">Options<a class="headerlink" title="Permalink to this headline" href="#Options">¶</a></h2><p>The following option is 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.
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</p></dd></dl></div></div><div class="refsect1"><a name="idm140690251856912"></a><h2 id="Exit status">Exit status<a class="headerlink" title="Permalink to this headline" href="#Exit%20status">¶</a></h2><p>If one or both runlevels could be determined, 0 is returned,
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a non-zero failure code otherwise.</p></div><div class="refsect1"><a name="idm140690251855616"></a><h2 id="Environment">Environment<a class="headerlink" title="Permalink to this headline" href="#Environment">¶</a></h2><div class="variablelist"><dl class="variablelist"><dt id="$RUNLEVEL"><span class="term"><code class="varname">$RUNLEVEL</code></span><a class="headerlink" title="Permalink to this term" href="#%24RUNLEVEL">¶</a></dt><dd><p>If <code class="varname">$RUNLEVEL</code> is set,
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<span class="command"><strong>runlevel</strong></span> will print this value as current
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runlevel and ignore utmp.</p></dd><dt id="$PREVLEVEL"><span class="term"><code class="varname">$PREVLEVEL</code></span><a class="headerlink" title="Permalink to this term" href="#%24PREVLEVEL">¶</a></dt><dd><p>If <code class="varname">$PREVLEVEL</code> is set,
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<span class="command"><strong>runlevel</strong></span> will print this value as previous
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runlevel and ignore utmp.</p></dd></dl></div></div><div class="refsect1"><a name="idm140690251848912"></a><h2 id="Files">Files<a class="headerlink" title="Permalink to this headline" href="#Files">¶</a></h2><div class="variablelist"><dl class="variablelist"><dt id="/var/run/utmp"><span class="term"><code class="filename">/var/run/utmp</code></span><a class="headerlink" title="Permalink to this term" href="#/var/run/utmp">¶</a></dt><dd><p>The utmp database <span class="command"><strong>runlevel</strong></span>
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reads the previous and current runlevel
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from.</p></dd></dl></div></div><div class="refsect1"><a name="idm140690251845296"></a><h2 id="Notes">Notes<a class="headerlink" title="Permalink to this headline" href="#Notes">¶</a></h2><p>This is a legacy command available for compatibility only.
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It should not be used anymore, as the concept of runlevels is
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obsolete.</p></div><div class="refsect1"><a name="idm140690251843952"></a><h2 id="See Also">See Also<a class="headerlink" title="Permalink to this headline" href="#See%20Also">¶</a></h2><p>
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<a href="systemd.html"><span class="citerefentry"><span class="refentrytitle">systemd</span>(1)</span></a>,
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<a href="systemctl.html"><span class="citerefentry"><span class="refentrytitle">systemctl</span>(1)</span></a>
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</p></div></div></body></html>
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