| WHO(1) | General Commands Manual | WHO(1) |
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) 0.11.0
| 2026-09-01 |