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Commands and references ( GNU / linux kernel
2.4.18-3 and 2.4.18-14 )
Linux is a registered trademark of Linus
Torvalds
The commands with their most common usage are in brackets like this: [ command ]. Don't type the brackets, just what is inside of them. Back to the index page |
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WHO(1) User Commands WHO(1)
NAME
who - show who is logged on
SYNOPSIS
who [OPTION]... [ FILE | ARG1 ARG2 ]
DESCRIPTION
-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
-i, --idle
add idle time as HOURS:MINUTES, . or old (deprecated, use -u)
-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.
AUTHOR
Written by Joseph Arceneaux, David MacKenzie, and Michael Stone.
REPORTING BUGS
Report bugs to (bug-coreutils@gnu.org).
COPYRIGHT
Copyright .© 2004 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.
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
should give you access to the complete manual.
who (coreutils) 5.2.1 October 2004 WHO(1)
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