WHO(1)                   User Commands                   WHO(1)





NAME
       who - show who is logged on

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

DESCRIPTION
       -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

       -i, --idle
              add  idle time as HOURS:MINUTES, . or old (depre-
              cated, use -u)

       -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 bugs to <bug-coreutils@gnu.org>.

COPYRIGHT
       Copyright (C) 2004 Free Software Foundation, Inc.
       This is free software; see the source for copying condi-
       tions.  There is NO warranty; not even for MERCHANTABIL-
       ITY or FITNESS FOR A PARTICULAR PURPOSE.

SEE ALSO
       The  full  documentation for who is maintained as a Tex-
       info manual.  If the info and who programs are  properly
       installed at your site, the command

              info who

       should give you access to the complete manual.



who 5.3.0                November 2004                   WHO(1)