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

       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 © 2002 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
       PURPOSE.


SEE ALSO

       The full documentation for who is maintained as a Texinfo  manual.   If
       the info and who programs are properly installed at your site, the com-
       mand

              info who

       should give you access to the complete manual.

who (coreutils) 4.5.3            February 2003                          who(1)