WHO(1)                          User Commands                         WHO(1)

NAME         top

       who - show who is logged on

SYNOPSIS         top

       who [OPTION]... [ FILE | ARG1 ARG2 ]

DESCRIPTION         top

       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         top

       Written by Joseph Arceneaux, David MacKenzie, and Michael Stone.

REPORTING BUGS         top

       GNU coreutils online help: <https://www.gnu.org/software/coreutils/>
       Report who translation bugs to <https://translationproject.org/team/>

COPYRIGHT         top

       Copyright © 2017 Free Software Foundation, Inc.  License GPLv3+: GNU
       GPL version 3 or later <https://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         top

       Full documentation at: <https://www.gnu.org/software/coreutils/who>
       or available locally via: info '(coreutils) who invocation'

COLOPHON         top

       This page is part of the coreutils (basic file, shell and text
       manipulation utilities) project.  Information about the project can
       be found at ⟨http://www.gnu.org/software/coreutils/⟩.  If you have a
       bug report for this manual page, see
       ⟨http://www.gnu.org/software/coreutils/⟩.  This page was obtained
       from the tarball coreutils-8.29.tar.xz fetched from
       ⟨http://www.gnutls.org/download.html⟩ on 2018-02-02.  If you discover
       any rendering problems in this HTML version of the page, or you
       believe there is a better or more up-to-date source for the page, or
       you have corrections or improvements to the information in this
       COLOPHON (which is not part of the original manual page), send a mail
       to man-pages@man7.org

GNU coreutils 8.29              December 2017                         WHO(1)

Pages that refer to this page: last(1),  utmpdump(1),  w(1),  write(1),  utmp(5)

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