- Publisher: Prentice-Hall (1984)
- ASIN: B005LZVKYE
- Package Dimensions: 9.1 x 6.6 x 1.1 inches
- Shipping Weight: 1.6 pounds
- Average Customer Review: 1 customer review
- Amazon Best Sellers Rank: #3,988,047 in Books (See Top 100 in Books)
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Operating System Design: The XINU Approach Hardcover – 1984
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Most of the good stuff gets done long before chapter 13. But it's important, if you plan to actually write a functioning operating system of your own, to get through chapter 13. The latter few chapters are about writing the upper and lower halves of a device driver and this is important for anyone attempting an operating system, despite the fact that a device driver itself isn't strictly speaking a central part of the O/S kernel. It is simply important to understand how they work and how they interact with the O/S kernel. So you must get this far, I think. The rest, that which starts at chapter 14 and proceeds from there, can be set aside until later.
Dr. Comer has produced a number of excellent books surrounding XINU. But for anyone just starting out, ONLY get this 1st edition. For example, there is a very nicely done LinkSys edition done a few decades later. And there is nothing at all wrong with that edition. Except that it doesn't cover essentials such as memory marking, which are covered in the 1st edition. The LinkSys code requires memory marking code and you get that code if you download the source. But the book doesn't cover it and that means you miss out on some important ideas and their discussion. So get ONLY the 1st edition, if you are just starting out in writing operating sytems. There is no replacement for it. The rest, despite also being excellent, may leave you feeling a little overwhelmed and lacks some coverage that is needed by beginners.
I've taught operating system courses (3rd yr of a 4yr degree) at the largest 4yr university in my state. So I'm coming from that background and I'm aware of many other authors and texts. This is my absolute favorite for those wanting to learn on their own and looking for a good segue book. This is it!