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.\" DO NOT MODIFY THIS FILE! It was generated by help2man 1.35.
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.TH WHO "1" "October 2012" "GNU coreutils 8.20" "User Commands"
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who \- show who is logged on
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[\fIOPTION\fR]... [ \fIFILE | ARG1 ARG2 \fR]
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.\" Add any additional description here
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Print information about users who are currently logged in.
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\fB\-a\fR, \fB\-\-all\fR
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same as \fB\-b\fR \fB\-d\fR \fB\-\-login\fR \fB\-p\fR \fB\-r\fR \fB\-t\fR \fB\-T\fR \fB\-u\fR
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\fB\-b\fR, \fB\-\-boot\fR
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time of last system boot
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\fB\-d\fR, \fB\-\-dead\fR
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\fB\-H\fR, \fB\-\-heading\fR
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print line of column headings
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\fB\-l\fR, \fB\-\-login\fR
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print system login processes
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attempt to canonicalize hostnames via DNS
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only hostname and user associated with stdin
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\fB\-p\fR, \fB\-\-process\fR
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print active processes spawned by init
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\fB\-q\fR, \fB\-\-count\fR
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all login names and number of users logged on
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\fB\-r\fR, \fB\-\-runlevel\fR
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print current runlevel
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\fB\-s\fR, \fB\-\-short\fR
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print only name, line, and time (default)
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\fB\-t\fR, \fB\-\-time\fR
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print last system clock change
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\fB\-T\fR, \fB\-w\fR, \fB\-\-mesg\fR
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add user's message status as +, \- or ?
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\fB\-u\fR, \fB\-\-users\fR
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display this help and exit
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output version information and exit
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If FILE is not specified, use /var/run/utmp. /var/log/wtmp as FILE is common.
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If ARG1 ARG2 given, \fB\-m\fR presumed: 'am i' or 'mom likes' are usual.
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Written by Joseph Arceneaux, David MacKenzie, and Michael Stone.
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Report who bugs to bug\-coreutils@gnu.org
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GNU coreutils home page: <http://www.gnu.org/software/coreutils/>
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General help using GNU software: <http://www.gnu.org/gethelp/>
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Report who translation bugs to <http://translationproject.org/team/>
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Copyright \(co 2012 Free Software Foundation, Inc.
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License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
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This is free software: you are free to change and redistribute it.
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There is NO WARRANTY, to the extent permitted by law.
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The full documentation for
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is maintained as a Texinfo manual. If the
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programs are properly installed at your site, the command
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.B info coreutils \(aqwho invocation\(aq
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should give you access to the complete manual.