| Linux / Unix Command: who |
NAME
who - show who is logged onSYNOPSIS
who [OPTION]... [ FILE | ARG1 ARG2 ]DESCRIPTION
- -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
- -i, --idle
- add idle time as HOURS:MINUTES, . or old (deprecated, use -u)
- --login
- print system login processes (equivalent to SUS -l)
- -l, --lookup
- attempt to canonicalize hostnames via DNS (-l is deprecated, use --lookup)
- -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
- --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.
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.
Important: Use the man command (% man) to see how a command is used on your particular computer.
