1.\" Copyright (c) 1980, 1990, 1991, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 3. Neither the name of the University nor the names of its contributors 13.\" may be used to endorse or promote products derived from this software 14.\" without specific prior written permission. 15.\" 16.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 17.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 20.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26.\" SUCH DAMAGE. 27.\" 28.Dd August 24, 2020 29.Dt W 1 30.Os 31.Sh NAME 32.Nm w 33.Nd "display who is logged in and what they are doing" 34.Sh SYNOPSIS 35.Nm 36.Op Fl -libxo 37.Op Fl dhin 38.Op Fl M Ar core 39.Op Fl N Ar system 40.Op Ar user ... 41.Sh DESCRIPTION 42The 43.Nm 44utility prints a summary of the current activity on the system, 45including what each user is doing. 46The first line displays the current time of day, how long the system has 47been running, the number of users logged into the system, and the load 48averages. 49The load average numbers give the number of jobs in the run queue averaged 50over 1, 5 and 15 minutes. 51.Pp 52The fields output are the user's login name, the name of the terminal the 53user is on, the host from which the user is logged in, the time the user 54logged on, the time since the user last typed anything, 55and the name and arguments of the current process. 56.Pp 57The options are as follows: 58.Bl -tag -width indent 59.It Fl -libxo 60Generate output via 61.Xr libxo 3 62in a selection of different human and machine readable formats. 63See 64.Xr xo_parse_args 3 65for details on command line arguments. 66.It Fl d 67dumps out the entire process list on a per controlling 68tty basis, instead of just the top level process. 69.It Fl h 70Suppress the heading. 71.It Fl i 72Output is sorted by idle time. 73.It Fl M 74Extract values associated with the name list from the specified 75core instead of the default 76.Pa /dev/kmem . 77.It Fl N 78Extract the name list from the specified system instead of the 79default 80.Pa /boot/kernel/kernel . 81.It Fl n 82Do not attempt to resolve network addresses (normally 83.Nm 84interprets addresses and attempts to display them as names). 85When 86.Fl n 87is specified more than once, hostnames stored in utmp are attempted to 88resolve to display them as network addresses. 89.El 90.Pp 91If one or more 92.Ar user 93names are specified, the output is restricted to those users. 94.Sh FILES 95.Bl -tag -width ".Pa /var/run/utx.active" -compact 96.It Pa /var/run/utx.active 97list of users on the system 98.El 99.Sh EXAMPLES 100Show global activity of the system: 101.Bd -literal -offset indent 102$ w 103 8:05PM up 35 mins, 3 users, load averages: 0.09, 0.35, 0.27 104USER TTY FROM LOGIN@ IDLE WHAT 105fernape v0 - 7:30PM - tmux: client (/tmp/tmux-1001/default) (tmux) 106root v1 - 8:03PM 1 -bash (bash) 107fernape pts/0 tmux(1391).%0 8:04PM - w 108.Ed 109.Pp 110Show the entire process list per tty: 111.Bd -literal -offset indent 112$ w -d 113 8:12PM up 42 mins, 3 users, load averages: 0.01, 0.11, 0.17 114USER TTY FROM LOGIN@ IDLE WHAT 115 1199 login [pam] (login) 116 1207 -bash (bash) 117 1507 tmux: client (/tmp/tmux-1001/default) (tmux) 118fernape v0 - 7:30PM - tmux: client (/tmp/tmux-1001/default) (tmux) 119 1488 login [pam] (login) 120 1489 -bash (bash) 121root v1 - 8:08PM 3 -bash (bash) 122 1510 -bash (bash) 123 1515 w -d 124fernape pts/0 tmux(1509).%0 8:11PM - w -d 125.Ed 126.Pp 127Same as above but only for the root user and omitting the heading: 128.Bd -literal -offset indent 129$ w -d -h root 130 1183 login [pam] (login) 131 1204 -bash (bash) 132root v1 - 7:15PM - -bash (bash) 133.Ed 134.Sh COMPATIBILITY 135The 136.Fl f , 137.Fl l , 138.Fl s , 139and 140.Fl w 141flags are no longer supported. 142.Sh SEE ALSO 143.Xr finger 1 , 144.Xr ps 1 , 145.Xr uptime 1 , 146.Xr who 1 , 147.Xr libxo 3 , 148.Xr xo_parse_args 3 149.Sh HISTORY 150The 151.Nm 152command appeared in 153.Bx 3.0 . 154.Sh BUGS 155The notion of the 156.Dq current process 157is muddy. 158The current algorithm is 159.Do 160the highest numbered process on the terminal 161that is not ignoring interrupts, or, if there is none, the highest numbered 162process on the terminal 163.Dc . 164This fails, for example, in critical sections of programs like the shell 165and editor, or when faulty programs running in the background fork and fail 166to ignore interrupts. 167(In cases where no process can be found, 168.Nm 169prints 170.Ql \- . ) 171.Pp 172The CPU time is only an estimate, in particular, if someone leaves a background 173process running after logging out, the person currently on that terminal is 174.Dq charged 175with the time. 176.Pp 177Background processes are not shown, even though they account for 178much of the load on the system. 179.Pp 180Sometimes processes, typically those in the background, are printed with 181null or garbaged arguments. 182In these cases, the name of the command is printed in parentheses. 183.Pp 184The 185.Nm 186utility does not know about the new conventions for detection of background 187jobs. 188It will sometimes find a background job instead of the right one. 189