who - Unix, Linux Command
NAME
who - show who is logged on
SYNOPSIS
who [
OPTION]... [
FILE | ARG1 ARG2 ]
DESCRIPTION
Tag | Description |
-a, --all
|
same as -b -d --login -p -r -t -T -u
|
-b, --boot
|
time of last system boot
|
-d, --dead
|
print dead processes
|
-H, --heading
|
|
print line of column headings
|
-l, --login
|
|
print system login processes
|
--lookup
|
|
attempt to canonicalize hostnames via DNS
|
-m
|
only hostname and user associated with stdin
|
-p, --process
|
|
print active processes spawned by init
|
-q, --count
|
|
all login names and number of users logged on
|
-r, --runlevel
|
|
print current runlevel
|
-s, --short
|
|
print only name, line, and time (default)
|
-t, --time
|
print last system clock change
|
-T, -w, --mesg
|
|
add users message status as +, - or ?
|
-u, --users
|
|
list users logged in
|
--message
|
|
same as -T
|
--writable
|
|
same as -T
|
--help
|
display this help and exit
|
--version
|
|
output version information and exit
|
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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