who
(1g)
Name
who - show who is logged on
Synopsis
who [OPTION]... [ FILE | ARG1 ARG2 ]
Description
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
GNU coreutils 8.16 Last change: June 2014 1
User Commands WHO(1)
--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/core-
utils/>
General help using GNU software: <http://www.gnu.org/geth-
elp/>
Report who translation bugs to <http://translationpro-
ject.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 redis-
tribute 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 command
info coreutils 'who invocation'
GNU coreutils 8.16 Last change: June 2014 2
User Commands WHO(1)
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/coreutils-8.16.tar.xz
Further information about this software can be found on the
open source community website at http://www.gnu.org/soft-
ware/coreutils/.
GNU coreutils 8.16 Last change: June 2014 3