Man Who en anglais
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

       --ips  print  ips  instead  of  hostnames. with --lookup, canonicalizes
              based on stored IP, if available, rather than stored hostname

       -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 .

 

COPYRIGHT


       Copyright (C) 2008 Free Software Foundation, Inc.  License GPLv3+:  GNU
       GPL version 3 or later 
       This  is  free  software:  you  are free to change and redistribute it.
       There is NO WARRANTY, to the extent permitted by law.

 

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 coreutils 'who invocation'

       should give you access to the complete manual.



GNU coreutils 6.10                April 2008                            WHO(1)