'\" t .TH "RUNLEVEL" "8" "" "systemd 204" "runlevel" .\" ----------------------------------------------------------------- .\" * Define some portability stuff .\" ----------------------------------------------------------------- .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .\" http://bugs.debian.org/507673 .\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" ----------------------------------------------------------------- .\" * set default formatting .\" ----------------------------------------------------------------- .\" disable hyphenation .nh .\" disable justification (adjust text to left margin only) .ad l .\" ----------------------------------------------------------------- .\" * MAIN CONTENT STARTS HERE * .\" ----------------------------------------------------------------- .SH "NAME" runlevel \- Print previous and current SysV runlevel .SH "SYNOPSIS" .HP \w'\fBrunlevel\ \fR\fB[options...]\fR\ 'u \fBrunlevel \fR\fB[options...]\fR .SH "DESCRIPTION" .PP \fBrunlevel\fR prints the previous and current SysV runlevel if they are known\&. .PP 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\&. .PP Unless overridden in the environment, this will check the utmp database for recent runlevel changes\&. .SH "OPTIONS" .PP The following option is understood: .PP \fB\-\-help\fR .RS 4 Prints a short help text and exits\&. .RE .SH "EXIT STATUS" .PP If one or both runlevels could be determined, 0 is returned, a non\-zero failure code otherwise\&. .SH "ENVIRONMENT" .PP \fI$RUNLEVEL\fR .RS 4 If \fI$RUNLEVEL\fR is set, \fBrunlevel\fR will print this value as current runlevel and ignore utmp\&. .RE .PP \fI$PREVLEVEL\fR .RS 4 If \fI$PREVLEVEL\fR is set \fBrunlevel\fR will print this value as previous runlevel and ignore utmp\&. .RE .SH "FILES" .PP /var/run/utmp .RS 4 The utmp database \fBrunlevel\fR reads the previous and current runlevel from\&. .RE .SH "NOTES" .PP This is a legacy command available for compatibility only\&. It should not be used anymore, as the concept of runlevels is obsolete\&. .SH "SEE ALSO" .PP \fBsystemd\fR(1), \fBsystemctl\fR(1)