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who - Unix, Linux Command
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NAME
who - show who is logged on
SYNOPSIS
who [OPTION]... [ FILE | ARG1 ARG2 ]
DESCRIPTION
Tag | Description |
-a, --all
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same as -b -d --login -p -r -t -T -u
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-b, --boot
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time of last system boot
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-d, --dead
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print dead processes
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-H, --heading
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print line of column headings
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-l, --login
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print system login processes
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--lookup
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attempt to canonicalize hostnames via DNS
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-m
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only hostname and user associated with stdin
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-p, --process
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print active processes spawned by init
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-q, --count
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all login names and number of users logged on
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-r, --runlevel
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print current runlevel
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-s, --short
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print only name, line, and time (default)
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-t, --time
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print last system clock change
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-T, -w, --mesg
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add users message status as +, - or ?
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-u, --users
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list users logged in
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--message
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same as -T
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--writable
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same as -T
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--help
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display this help and exit
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--version
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output version information and exit
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If FILE is not specified, use /var/run/utmp. /var/log/wtmp as FILE is common.
If ARG1 ARG2 given, -m presumed: am i or mom likes are usual.
AUTHOR
Written by Joseph Arceneaux, David MacKenzie, and Michael Stone.
REPORTING BUGS
Report bugs to <bug-coreutils@gnu.org>.
COPYRIGHT
Copyright © 2006 Free Software Foundation, Inc.
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.
SEE ALSO
who is maintained as a Texinfo manual. If the
info and
who programs are properly installed at your site, the command
should give you access to the complete manual.
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