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| WHO(1) | User Commands | WHO(1) | 
NAME¶
who - show who is logged onSYNOPSIS¶
who [OPTION]... [ FILE | ARG1 ARG2 ]DESCRIPTION¶
Print information about users who are currently logged in.- -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
 - --ips
 - print ips instead of hostnames. with --lookup, canonicalizes based on stored IP, if available, rather than stored hostname
 - -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¶
GNU coreutils online help: <http://www.gnu.org/software/coreutils/>Report who translation bugs to <http://translationproject.org/team/>
COPYRIGHT¶
Copyright © 2016 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.
SEE ALSO¶
Full documentation at: <http://www.gnu.org/software/coreutils/who>or available locally via: info '(coreutils) who invocation'
| February 2017 | GNU coreutils 8.26 |