Codex

WHO

Section: User Commands (1)

Updated: March 2015

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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:
--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 © 2014 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'


Index

NAME

SYNOPSIS

DESCRIPTION

AUTHOR

REPORTING BUGS

COPYRIGHT

SEE ALSO


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