NAME
who - Print information about users who are currently logged in.
SYNOPSIS
who [OPTION]... [ FILE | ARG1 ARG2 ]
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
v(uutils coreutils) 0.12.0