who - show who is logged on
who [OPTION]... [ FILE | ARG1 ARG2 ]
WHO(1) User Commands 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 /system/volatile/utmpx. /var/adm/wtmpx
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 who bugs to bug-coreutils@gnu.org
GNU coreutils home page: <http://www.gnu.org/software/coreutils/>
General help using GNU software: <http://www.gnu.org/gethelp/>
Report who translation bugs to <http://translationproject.org/team/>
COPYRIGHT
Copyright (C) 2012 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.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+---------------+--------------------+
|ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+---------------+--------------------+
|Availability | file/gnu-coreutils |
+---------------+--------------------+
|Stability | Uncommitted |
+---------------+--------------------+
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 com-
mand
info coreutils 'who invocation'
should give you access to the complete manual.
NOTES
This software was built from source available at
https://java.net/projects/solaris-userland. The original community
source was downloaded from http://ftp.gnu.org/gnu/coreutils/core-
utils-8.16.tar.xz
Further information about this software can be found on the open source
community website at http://www.gnu.org/software/coreutils/.
GNU coreutils 8.16 August 2015 WHO(1)