WHO(1)				      FSF				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 (deprecated, use -u)

       --login
	      print system login processes (equivalent to SUS -l)

       -l, --lookup
	      attempt to canonicalize hostnames via DNS (-l is deprecated, use
	      --lookup)

       -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