1WHO(1)                           User Commands                          WHO(1)
2
3
4

NAME

6       who - show who is logged on
7

SYNOPSIS

9       who [OPTION]... [ FILE | ARG1 ARG2 ]
10

DESCRIPTION

12       Print information about users who are currently logged in.
13
14       -a, --all
15              same as -b -d --login -p -r -t -T -u
16
17       -b, --boot
18              time of last system boot
19
20       -d, --dead
21              print dead processes
22
23       -H, --heading
24              print line of column headings
25
26       -l, --login
27              print system login processes
28
29       --lookup
30              attempt to canonicalize hostnames via DNS
31
32       -m     only hostname and user associated with stdin
33
34       -p, --process
35              print active processes spawned by init
36
37       -q, --count
38              all login names and number of users logged on
39
40       -r, --runlevel
41              print current runlevel
42
43       -s, --short
44              print only name, line, and time (default)
45
46       -t, --time
47              print last system clock change
48
49       -T, -w, --mesg
50              add user's message status as +, - or ?
51
52       -u, --users
53              list users logged in
54
55       --message
56              same as -T
57
58       --writable
59              same as -T
60
61       --help display this help and exit
62
63       --version
64              output version information and exit
65
66       If  FILE is not specified, use /var/run/utmp.  /var/log/wtmp as FILE is
67       common.  If ARG1 ARG2 given, -m presumed: 'am i'  or  'mom  likes'  are
68       usual.
69
70       GNU  coreutils  online  help:  <http://www.gnu.org/software/coreutils/>
71       Report who translation bugs to <http://translationproject.org/team/>
72

AUTHOR

74       Written by Joseph Arceneaux, David MacKenzie, and Michael Stone.
75

77       Copyright © 2013 Free Software Foundation, Inc.   License  GPLv3+:  GNU
78       GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
79       This  is  free  software:  you  are free to change and redistribute it.
80       There is NO WARRANTY, to the extent permitted by law.
81

SEE ALSO

83       The full documentation for who is maintained as a Texinfo  manual.   If
84       the info and who programs are properly installed at your site, the com‐
85       mand
86
87              info coreutils 'who invocation'
88
89       should give you access to the complete manual.
90
91
92
93GNU coreutils 8.22               October 2018                           WHO(1)
Impressum