December 2011
Intermediate to advanced
485 pages
15h 47m
English
Content preview from OS X and iOS Kernel Programming
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C H A P T E R 1
Operating System Fundamentals
The role of an operating system is to provide an environment in which the user is able to run application software. The applications that users run rely on services provided by the operating system to perform tasks while they execute, in many cases without the user—or even the programmer—giving much thought to them. For an application to read a file from disk, for example, the programmer simply needs to call a function that the operating system provides. The operating system handles the specific steps required to perform that read. This frees the application programmer from having to worry about the differences between reading a file that resides on the computer's internal hard disk or a file on ...
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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.