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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 /var/run/utmpx.  /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  (C) 2016 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'



GNU coreutils 8.26               November 2016                          who(1)

coreutils 8.26 - Generated Fri Jan 6 15:58:48 CST 2017
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