NAMEwho - show who is logged on
SYNOPSISwho [OPTION]... [ FILE | ARG1 ARG2 ]
DESCRIPTIONPrint information about users who are currently logged in. -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 --ips print ips instead of hostnames. with --lookup, canonicalizes based on stored IP, if available, rather than stored hostname -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 -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.
AUTHORWritten by Joseph Arceneaux, David MacKenzie, and Michael Stone.
REPORTING BUGSReport who bugs to email@example.com GNU coreutils home page: <//www.gnu.org/software/coreutils/> General help using GNU software: <//www.gnu.org/gethelp/> Report who translation bugs to <//translationproject.org/team/>
COPYRIGHTCopyright (C) 2010 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <//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.
SEE ALSOThe 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. WHO(1)