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NAME    [Toc]    [Back]

       who - show who is logged on

SYNOPSIS    [Toc]    [Back]

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

DESCRIPTION    [Toc]    [Back]

       -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)

	      print system login processes (equivalent to SUS -l)

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

       -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
	      lists users logged in

	      same as -T

	      same as -T

       --help display this help and exit

	      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

AUTHOR    [Toc]    [Back]

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

REPORTING BUGS    [Toc]    [Back]

       Report bugs to <bug-sh-utils@gnu.org>.

COPYRIGHT    [Toc]    [Back]

       Copyright (C) 2000 Free Software Foundation, Inc.
       This is free software; see the source for copying conditions.  There is
       NO  warranty;  not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR

SEE ALSO    [Toc]    [Back]

       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 who

       should give you access to the complete manual.

GNU sh-utils 2.0.11		   July 2001				WHO(1)
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 Similar pages
Name OS Title
w.procps Linux Show who is logged on and what they are doing.
uptime HP-UX show how long system has been up, and/or who is logged in and what they are doing
last Linux show listing of last logged in users
rwho HP-UX show who is logged in on local machines
w HP-UX show how long system has been up, and/or who is logged in and what they are doing
w FreeBSD display who is logged in and what they are doing
who OpenBSD display who is logged in
rwho IRIX who's logged in on local machines
who Tru64 Identifies users currently logged in
rwho OpenBSD who is logged in on local machines
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