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

AUTHOR

71       Written by Joseph Arceneaux, David MacKenzie, and Michael Stone.
72

REPORTING BUGS

74       GNU coreutils online help: <https://www.gnu.org/software/coreutils/>
75       Report any translation bugs to <https://translationproject.org/team/>
76
78       Copyright  ©  2019  Free Software Foundation, Inc.  License GPLv3+: GNU
79       GPL version 3 or later <https://gnu.org/licenses/gpl.html>.
80       This is free software: you are free  to  change  and  redistribute  it.
81       There is NO WARRANTY, to the extent permitted by law.
82

SEE ALSO

84       Full documentation <https://www.gnu.org/software/coreutils/who>
85       or available locally via: info '(coreutils) who invocation'
86
87
88
89GNU coreutils 8.31               October 2019                           WHO(1)
Impressum