who - show who is logged on
who [OPTION]... [ FILE | ARG1 ARG2 ]
WHO(1) User Commands WHO(1) NAME who - show who is logged on SYNOPSIS who [OPTION]... [ FILE | ARG1 ARG2 ] DESCRIPTION Print 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 -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 /system/volatile/utmpx. /var/adm/wtmpx as FILE is common. If ARG1 ARG2 given, -m presumed: 'am i' or 'mom likes' are usual. AUTHOR Written by Joseph Arceneaux, David MacKenzie, and Michael Stone. REPORTING BUGS 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/> COPYRIGHT Copyright (C) 2012 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. ATTRIBUTES See attributes(5) for descriptions of the following attributes: +---------------+--------------------+ |ATTRIBUTE TYPE | ATTRIBUTE VALUE | +---------------+--------------------+ |Availability | file/gnu-coreutils | +---------------+--------------------+ |Stability | Uncommitted | +---------------+--------------------+ 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 com- mand info coreutils 'who invocation' should give you access to the complete manual. NOTES This software was built from source available at https://java.net/projects/solaris-userland. The original community source was downloaded from http://ftp.gnu.org/gnu/coreutils/core- utils-8.16.tar.xz Further information about this software can be found on the open source community website at http://www.gnu.org/software/coreutils/. GNU coreutils 8.16 January 2016 WHO(1)