Manpages - who.1
NAME
who - show who is logged on
SYNOPSIS
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
- -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: <https://www.gnu.org/software/coreutils/>
Report any translation bugs to <https://translationproject.org/team/>
SEE ALSO
Full documentation <https://www.gnu.org/software/coreutils/who>
or available locally via: info '(coreutils) who invocation'
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Copyright © 2024 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later
<https://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.