December 2018
Beginner
826 pages
22h 54m
English
Content preview from Linux Administration Cookbook
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top
An old friend, and guaranteed to be installed on any Unix or Unix-like system, top is your immediate window into what your system thinks it's doing:
$ top
The output for the preceding command is shown as follows:
Right from the start, we can see several things:
- The time in the top left, and how long the box has been up – 17:09:46 up 8 min
- The number of users logged in – 1 user
- The load average – 0.00, 0.03, 0.03
- The number of running, sleeping, and so on tasks
- CPU usage information
- Volatile memory information (RAM)
- SWAP information (disk memory)
Breaking these down, let's look at some in more detail:
- Load average: In detail, the load ...
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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.