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who(1) -- Linux man page
NAME
who - show who is logged on
SYNOPSIS
who
[OPTION]... [ FILE | ARG1 ARG2 ]
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
- -i, --idle
-
add idle time as HOURS:MINUTES, . or old
(deprecated, use -u)
- -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 user's 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 © 2004 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
SEE ALSO
The full documentation for
who
is maintained as a Texinfo manual. If the
info
and
who
programs are properly installed at your site, the command
-
info coreutils who
should give you access to the complete manual.
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