June 2003
Beginner to intermediate
944 pages
43h 1m
English
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Name
w
Synopsis
w [options] [user]Print summaries of system usage, currently logged-in users, and what those users are doing. w is essentially a combination of uptime, who, and ps -a. Display output for one user by specifying user.
Options
- -f
Toggle printing the from (remote hostname) field.
- -h
Suppress headings and uptime information.
- -s
Use the short format.
- -u
Ignore the username while figuring out the current process and CPU times.
- -V
Display version information.
File
- /var/run/utmp
List of users currently logged in.
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.