August 2012
Beginner
480 pages
13h 13m
English
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Activity Monitor
In Unix, the underlying operating system that powers OS X, applications and other things going on behind the scenes are called processes. Each application and the operating system itself can run a number of processes at the same time.
In Figure 19-2, you see 78 different processes running, most of them behind the scenes. Note that when this picture was taken, I had half a dozen or more programs running, including the Finder, FaceTime, the Mac App Store, and Activity Monitor itself.
Figure 19-2: The Activity Monitor window (left) and the three little CPU Monitor windows (right).
To display the three CPU Monitor windows on the right side of the Activity Monitor window as shown in Figure 19-2, choose Window⇒CPU Usage (keyboard shortcut 
+2), CPU History (keyboard shortcut +3), and/or Floating CPU Window (no keyboard shortcut).
You also select what appears in the Activity Monitor’s Dock icon — CPU Usage, CPU History, Network Usage, Disk Activity, Memory Usage, or the Activity Monitor icon — by choosing View⇒Dock Icon. All but the Activity Monitor icon appear live, meaning ...
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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.
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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.