'\" -*- coding: UTF-8 -*-
.\" Copyright (C) 1997 Miquel van Smoorenburg.
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.TH RUNLEVEL 8 "May 27, 1997" "sysvinit " "Manuel de l’Administrateur de Système Linux"
.SH NOM
runlevel \- find the previous and current system runlevel
.SH SYNOPSIS
\fBrunlevel\fP [\fIutmp\fP]
.SH DESCRIPTION
\fBrunlevel\fP reads the system \fIutmp\fP file (typically \fI/var/run/utmp\fP)  to
locate the runlevel record, and then prints the previous and current system
runlevel on its standard output, separated by a single space. If there is no
previous system runlevel, the letter \fBN\fP will be printed instead.
.PP
If no \fIutmp\fP file exists, and if no runlevel record can be found in the
\fI/var/run/runlevel\fP file, \fBrunlevel\fP prints the word \fBunknown\fP and exits
with an error.
.PP
\fBRunlevel\fP can be used in \fIrc\fP scripts as a substitute for the System\-V
\fBwho \-r\fP command.  However, in newer versions of \fBinit\fP(8) this
information is also available in the environment variables \fBRUNLEVEL\fP and
\fBPREVLEVEL\fP.
.SH OPTIONS
.\"{{{ utmp
.IP \fIutmp\fP
.\"}}}
The name of the \fIutmp\fP file to read.
.SH "VOIR AUSSI"
\fBinit\fP(8), \fButmp\fP(5)
.SH AUTEUR
.MT miquels@\:cistron\:.nl
Miquel van Smoorenburg
.ME