.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.35.
.TH WHO "1" "December 2006" "who 6.7" "User Commands"
.SH NAME
who \- show who is logged on
.SH SYNOPSIS
.B who
[\fIOPTION\fR]... [ \fIFILE | ARG1 ARG2 \fR]
.SH DESCRIPTION
.\" Add any additional description here
.TP
\fB\-a\fR, \fB\-\-all\fR
same as \fB\-b\fR \fB\-d\fR \fB\-\-login\fR \fB\-p\fR \fB\-r\fR \fB\-t\fR \fB\-T\fR \fB\-u\fR
.TP
\fB\-b\fR, \fB\-\-boot\fR
time of last system boot
.TP
\fB\-d\fR, \fB\-\-dead\fR
print dead processes
.TP
\fB\-H\fR, \fB\-\-heading\fR
print line of column headings
.TP
\fB\-l\fR, \fB\-\-login\fR
print system login processes
.TP
\fB\-\-lookup\fR
attempt to canonicalize hostnames via DNS
.TP
\fB\-m\fR
only hostname and user associated with stdin
.TP
\fB\-p\fR, \fB\-\-process\fR
print active processes spawned by init
.TP
\fB\-q\fR, \fB\-\-count\fR
all login names and number of users logged on
.TP
\fB\-r\fR, \fB\-\-runlevel\fR
print current runlevel
.TP
\fB\-s\fR, \fB\-\-short\fR
print only name, line, and time (default)
.TP
\fB\-t\fR, \fB\-\-time\fR
print last system clock change
.TP
\fB\-T\fR, \fB\-w\fR, \fB\-\-mesg\fR
add user's message status as +, \- or ?
.TP
\fB\-u\fR, \fB\-\-users\fR
list users logged in
.TP
\fB\-\-message\fR
same as \fB\-T\fR
.TP
\fB\-\-writable\fR
same as \fB\-T\fR
.TP
\fB\-\-help\fR
display this help and exit
.TP
\fB\-\-version\fR
output version information and exit
.PP
If FILE is not specified, use /var/run/utmp.  /var/log/wtmp as FILE is common.
If ARG1 ARG2 given, \fB\-m\fR presumed: `am i' or `mom likes' are usual.
.SH AUTHOR
Written by Joseph Arceneaux, David MacKenzie, and Michael Stone.
.SH "REPORTING BUGS"
Report bugs to <bug\-coreutils@gnu.org>.
.SH COPYRIGHT
Copyright \(co 2006 Free Software Foundation, Inc.
.br
This is free software.  You may redistribute copies of it under the terms of
the GNU General Public License <http://www.gnu.org/licenses/gpl.html>.
There is NO WARRANTY, to the extent permitted by law.
.SH "SEE ALSO"
The full documentation for
.B who
is maintained as a Texinfo manual.  If the
.B info
and
.B who
programs are properly installed at your site, the command
.IP
.B info who
.PP
should give you access to the complete manual.