w (Unix)

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w
Operating systemUnix and Unix-like
TypeCommand

The command w on many Unix-like operating systems provides a quick summary of every user logged into a computer,[1] what each user is currently doing, and what load all the activity is imposing on the computer itself. The command is a one-command combination of several other Unix programs: who, uptime, and ps -a.

Example

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Sample output (which may vary between systems):

$ w  11:12am up 608 day(s), 19:56,  6 users,  load average: 0.36, 0.36, 0.37 User     tty       login@  idle  what smithj   pts/5      8:52am       w jonesm   pts/23    20Apr06    28 -bash harry    pts/18     9:01am     9 pine peterb   pts/19    21Apr06       emacs -nw html/index.html janetmcq pts/8     10:12am 3days -csh singh    pts/12    16Apr06  5:29 /usr/bin/perl -w perl/test/program.pl 

References

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  1. ^ David Martínez Perales (23 March 2009). Learning UNIX with examples. Lulu.com. ISBN 9781409253792.
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