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From the Publisher"Operating System Design: The Xinu Approach is the best book for students and professionals to learn how a computer operating system works. The computer code, along with clear, concise explanations, is simply the best way to learn OS. Readers who study this book carefully will benefit greatly and find it time well spent."
—John C. Lin, Bell Labs
"… [the author’s] focused, clear, and thorough writing have given ‘systematic’ a new meaning (or perhaps restored its original one). … non-OS specialists also stand to learn much of what they generally need to know from this excellent book. Furthermore, it is no faint praise for me to say that the book’s seamless integration of source code listings into the text … is the best I’ve encountered and works very well indeed. Superior and consistently followed C-language coding conventions give further evidence of the meticulousness with which this book was written. … a most outstanding and practical A-to-Z OS book. It has my highest recommendation."
—George Hacken, Computing Reviews, April 2012
"This Xinu book is the best operating systems book on the market because it removes the black magic and explains how to build an OS from the ground up. It’s not like other books I tried to read — they gave me a headache. I have already started telling friends how great it is."
—David Bafumba-Lokilo, École Polytechnique de Montréal
"Understanding an operating system is a very difficult and time-consuming task because it is one of the most complex software systems ever built. Its architecture has multiple layers of software components to manage the underline hardware and provide the system call services to the applications at the top. Knowing the host processor hardware features, the machine languages, compilers, the tool chain, and the procedure calling standard are part of the prerequisites. As a consequence, operating system books can take a black box approach to cover the interface of the system call services and the operating system algorithms in a short time. However students wishing to program an embedded system must learn the details of the implementation. This Xinu book removes the black magic and explains how to build an OS from the ground up. It explains the underlying design policies behind each of the primary components of an operating system kernel and provides the concrete implementation of source code. The Xinu design principles can be found on other commercially available platforms. A device driver on Linux platform is one example. Students majoring in embedded systems are highly recommended to read this book."
—Donald D Kim, Information and Communication Engineering Department, Dongguk University, South Korea