NAME

       who - Print information about users who are currently logged in.

SYNOPSIS

       who  [-a|--all]  [-b|--boot]  [-d|--dead]  [-H|--heading]  [-l|--login]  [--lookup]  [-m ]
       [-p|--process]  [-q|--count]   [-r|--runlevel]   [-s|--short]   [-t|--time]   [-u|--users]
       [-T|--mesg] [-h|--help] [-V|--version] [FILE]

DESCRIPTION

       Print information about users who are currently logged in.

OPTIONS

       -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

       -u, --users
              list users logged in

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

       -h, --help
              Print help

       -V, --version
              Print version

       [FILE]

VERSION

       v0.0.20

                                            who 0.0.20                                     who(1)