who — show who is logged on
who [OPTION...] [ FILE | ARG1 ARG2 ]
Print information about users who are currently logged in.
−a, −−allsame as −b
−d −−login −p −r −t −T −u
−b, −−boottime of last system boot
−d, −−deadprint dead processes
−H, −−headingprint line of column headings
−l, −−loginprint system login processes
−−lookupattempt to canonicalize hostnames via DNS
−monly hostname and user associated with stdin
−p, −−processprint active processes spawned by init
−q, −−countall login names and number of users logged on
−r, −−runlevelprint current runlevel
−s, −−shortprint only name, line, and time (default)
−t, −−timeprint last system clock change
−T, −w, −−mesgadd user's message status as +, − or ?
−u, −−userslist users logged in
−−messagesame as −T
−−writablesame as −T
−−helpdisplay this help and exit
−−versionoutput 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.
Report who bugs to bug−coreutils@gnu.org
GNU coreutils home page: <http://www.gnu.org/software/coreutils/>
General help using GNU software: <http://www.gnu.org/gethelp/>
Report who translation bugs to <http://translationproject.org/team/>
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 coreutils 'who invocation'
should give you access to the complete manual.
| COPYRIGHT |
|---|
|
Copyright © 2013 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>. This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. |