mirror of
https://git.proxmox.com/git/systemd
synced 2025-08-03 15:27:58 +00:00
47 lines
5.3 KiB
HTML
47 lines
5.3 KiB
HTML
<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>runlevel</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><style>
|
|
a.headerlink {
|
|
color: #c60f0f;
|
|
font-size: 0.8em;
|
|
padding: 0 4px 0 4px;
|
|
text-decoration: none;
|
|
visibility: hidden;
|
|
}
|
|
|
|
a.headerlink:hover {
|
|
background-color: #c60f0f;
|
|
color: white;
|
|
}
|
|
|
|
h1:hover > a.headerlink, h2:hover > a.headerlink, h3:hover > a.headerlink, dt:hover > a.headerlink {
|
|
visibility: visible;
|
|
}
|
|
</style><a href="index.html">Index </a>·
|
|
<a href="systemd.directives.html">Directives </a>·
|
|
<a href="../python-systemd/index.html">Python </a>·
|
|
<a href="../libudev/index.html">libudev </a>·
|
|
<a href="../libudev/index.html">gudev </a><span style="float:right">systemd 204</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="idm259769004400"></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 SysV runlevel if they are known.</p><p>The two runlevel characters are separated by a
|
|
single space character. If a runlevel cannot be
|
|
determined, N is printed instead. If neither can be
|
|
determined, the word "unknown" is printed.</p><p>Unless overridden in the environment, this will
|
|
check the utmp database for recent runlevel
|
|
changes.</p></div><div class="refsect1"><a name="idm259769001488"></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>Prints a short help
|
|
text and exits.</p></dd></dl></div></div><div class="refsect1"><a name="idm259768998384"></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, a non-zero failure code otherwise.</p></div><div class="refsect1"><a name="idm259768997072"></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">$RUNLEVEL</code> is set,
|
|
<span class="command"><strong>runlevel</strong></span> will print
|
|
this value as current runlevel and
|
|
ignore utmp.</p></dd><dt id="$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
|
|
<span class="command"><strong>runlevel</strong></span> will print
|
|
this value as previous runlevel and
|
|
ignore utmp.</p></dd></dl></div></div><div class="refsect1"><a name="idm259772943424"></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> reads the
|
|
previous and current runlevel
|
|
from.</p></dd></dl></div></div><div class="refsect1"><a name="idm259772939744"></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. It should not be used anymore, as the concept of
|
|
runlevels is obsolete.</p></div><div class="refsect1"><a name="idm259772938384"></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>
|
|
</p></div></div></body></html>
|