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author | 2021-05-09 14:20:58 -0400 | |
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committer | 2021-05-09 14:20:58 -0400 | |
commit | 5fd83771641d15c418f747bd343ba6738d3875f7 (patch) | |
tree | 5abf0f78f680d9837dbd93d4d4c3933bb7509599 /shell_cmds/w/w.1 | |
download | apple_cmds-5fd83771641d15c418f747bd343ba6738d3875f7.tar.gz apple_cmds-5fd83771641d15c418f747bd343ba6738d3875f7.tar.zst apple_cmds-5fd83771641d15c418f747bd343ba6738d3875f7.zip |
Import macOS userland
adv_cmds-176
basic_cmds-55
bootstrap_cmds-116.100.1
developer_cmds-66
diskdev_cmds-667.40.1
doc_cmds-53.60.1
file_cmds-321.40.3
mail_cmds-35
misc_cmds-34
network_cmds-606.40.1
patch_cmds-17
remote_cmds-63
shell_cmds-216.60.1
system_cmds-880.60.2
text_cmds-106
Diffstat (limited to 'shell_cmds/w/w.1')
-rw-r--r-- | shell_cmds/w/w.1 | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/shell_cmds/w/w.1 b/shell_cmds/w/w.1 new file mode 100644 index 0000000..e94c39b --- /dev/null +++ b/shell_cmds/w/w.1 @@ -0,0 +1,127 @@ +.\" Copyright (c) 1980, 1990, 1991, 1993 +.\" The Regents of the University of California. All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" 4. Neither the name of the University nor the names of its contributors +.\" may be used to endorse or promote products derived from this software +.\" without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND +.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +.\" SUCH DAMAGE. +.\" +.\" @(#)w.1 8.1 (Berkeley) 6/6/93 +.\" $FreeBSD: src/usr.bin/w/w.1,v 1.20 2005/02/13 22:25:25 ru Exp $ +.\" +.Dd June 6, 1993 +.Dt W 1 +.Os +.Sh NAME +.Nm w +.Nd "display who is logged in and what they are doing" +.Sh SYNOPSIS +.Nm +.Op Fl hin +.Op Ar user ... +.Sh DESCRIPTION +The +.Nm +utility prints a summary of the current activity on the system, +including what each user is doing. +The first line displays the current time of day, how long the system has +been running, the number of users logged into the system, and the load +averages. +The load average numbers give the number of jobs in the run queue averaged +over 1, 5 and 15 minutes. +.Pp +The fields output are the user's login name, the name of the terminal the +user is on, the host from which the user is logged in, the time the user +logged on, the time since the user last typed anything, +and the name and arguments of the current process. +.Pp +The options are as follows: +.Bl -tag -width Ds +.It Fl h +Suppress the heading. +.It Fl i +Output is sorted by idle time. +.El +.Pp +If one or more +.Ar user +names are specified, the output is restricted to those users. +.Sh COMPATIBILITY +The +.Fl M , +.FL N , +.Fl d , +.Fl f , +.Fl l , +.Fl n , +.Fl s , +and +.Fl w +flags are no longer supported. +.Sh SEE ALSO +.Xr finger 1 , +.Xr ps 1 , +.Xr uptime 1 , +.Xr who 1 +.Sh HISTORY +The +.Nm +command appeared in +.Bx 3.0 . +.Sh BUGS +The notion of the +.Dq current process +is muddy. +The current algorithm is ``the highest numbered process on the terminal +that is not ignoring interrupts, or, if there is none, the highest numbered +process on the terminal''. +This fails, for example, in critical sections of programs like the shell +and editor, or when faulty programs running in the background fork and fail +to ignore interrupts. +(In cases where no process can be found, +.Nm +prints +.Dq \- . ) +.Pp +The +.Tn CPU +time is only an estimate, in particular, if someone leaves a background +process running after logging out, the person currently on that terminal is +.Dq charged +with the time. +.Pp +Background processes are not shown, even though they account for +much of the load on the system. +.Pp +Sometimes processes, typically those in the background, are printed with +null or garbaged arguments. +In these cases, the name of the command is printed in parentheses. +.Pp +The +.Nm +utility does not know about the new conventions for detection of background +jobs. +It will sometimes find a background job instead of the right one. +.Pp +Long hostnames and IPv6 addresses may be truncated; however, the +.Xr who 1 +utility will display full hostnames. |