Manual Pages for UNIX Operating System command usage for man who

User Commands                                              WHO(1)



NAME
     who - show who is logged on

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

DESCRIPTION
     Print information about users who are currently logged in.

     -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

     -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



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User Commands                                              WHO(1)



     --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 who bugs to bug-coreutils@gnu.org
     GNU             coreutils             home             page:
     
     General        help        using        GNU        software:
     
     Report        who        translation         bugs         to
     

COPYRIGHT
     Copyright cO 2010 Free  Software  Foundation,  Inc.   License
     GPLv3+:      GNU      GPL     version     3     or     later
     .
     This is free software: you are free to change and  redistri-
     bute  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 command

          info coreutils who invocation

     should give you access to the complete manual.

ATTRIBUTES
     See attributes(5) for descriptions of the  following  attri-
     butes:









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User Commands                                              WHO(1)



     ___________________________________________
    |   ATTRIBUTE TYPE   |    ATTRIBUTE VALUE  |
    |____________________|______________________|_
    | Availability       |  file/gnu-coreutils |
    |____________________|______________________|_
    | Interface Stability|  Uncommitted        |
    |____________________|_____________________|

NOTES
     Source    for    GNU    coreutils    is     available     on
     http://opensolaris.org.












































GNU coreutils 8.5    Last change: April 2010                    3