who
NAME
who - show who is logged on
SYNOPSIS
who
[OPTION ]... [ FILE | ARG1 ARG2 ]
DESCRIPTION
-H , --heading
print line of column headings
-i , -u , --idle
add user idle time as HOURS:MINUTES, . or old
-l , --lookup
attempt to canonicalize hostnames via DNS
-m
only hostname and user associated with stdin
-q , --count
all login names and number of users logged on
-s
(ignored)
-T , -w , --mesg
add user's message status as +, - or ?
--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.
REPORTING BUGS
Report bugs to <bug-sh-utils@gnu.org>.
SEE ALSO COPYRIGHT
Copyright © 1999 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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