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WHO


Section: User Commands (1)
Updated: March 2014
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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
-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

Report who bugs to [email protected]

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 © 2010 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

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’


should give you access to the complete manual.



 

Index



NAME

SYNOPSIS

DESCRIPTION

AUTHOR

REPORTING BUGS

COPYRIGHT

SEE ALSO



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