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NAME
     who - show who is logged on

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

DESCRIPTION
     -H, --heading
          print line of column headings

     -i, -u, --idle
          add user idle time as HOURS:MINUTES, . or old

     -l, --lookup
          attempt to canonicalize hostnames via DNS

     -m   only hostname and user associated with stdin

     -q, --count
          all login names and number of users logged on

     -s   (ignored)

     -T, -w, --mesg
          add user's message status as +, - or ?

     --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.

REPORTING BUGS
     Report bugs to <[email protected]>.

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 who

     should give you access to the complete manual.

COPYRIGHT
     Copyright O 1999 Free Software Foundation, Inc.
     This is free software; see the  source  for  copying  condi-
     tions.   There  is NO warranty; not even for MERCHANTABILITY
     or FITNESS FOR A PARTICULAR PURPOSE.

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