View Larger Image	Amit Singh Addison-Wesley, Hardcover, Published June 2006, 1680 pages, ISBN 0321278542
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Read an excerpt: Chapters 2-12: Samples from 10 Chapters       Excerpt provided courtesy of Addison-Wesley Professional. Copyright © Pearson Education, Addison-Wesley Professional. Written permission from the publisher is required for any use of this material.

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• Operating Systems : Mac OS X
• Operating Systems : Macintosh

• Addison-Wesley

Mac OS X was released in March 2001, but many components, such as Mach and BSD, are considerably older. Understanding the design, implementation, and workings of Mac OS X requires examination of several technologies that differ in their age, origins, philosophies, and roles.

Mac OS X Internals: A Systems Approach is the first book that dissects the internals of the system, presenting a detailed picture that grows incrementally as you read. For example, you will learn the roles of the firmware, the bootloader, the Mach and BSD kernel components (including the process, virtual memory, IPC, and file system layers), the object-oriented I/O Kit driver framework, user libraries, and other core pieces of software. You will learn how these pieces connect and work internally, where they originated, and how they evolved. The book also covers several key areas of the Intel-based Macintosh computers.

A solid understanding of system internals is immensely useful in design, development, and debugging for programmers of various skill levels. System programmers can use the book as a reference and to construct a better picture of how the core system works. Application programmers can gain a deeper understanding of how their applications interact with the system. System administrators and power users can use the book to harness the power of the rich environment offered by Mac OS X. Finally, members of the Windows, Linux, BSD, and other Unix communities will find the book valuable in comparing and contrasting Mac OS X with their respective systems.

Mac OS X Internals focuses on the technical aspects of OS X and is so full of extremely useful information and programming examples that it will definitely become a mandatory tool for every Mac OS X programmer.

About the Author

Amit Singh is a researcher at the IBM Almaden Research Center in San Jose, California. Prior to joining IBM, he worked for a Silicon Valley startup that did cutting-edge work in the virtualization of operating systems. Before moving to the Bay Area, he was a member of the technical staff in the Information Sciences Research Center at Bell Laboratories in Murray Hill, New Jersey, where he worked on operating systems and networking. Amit also created and maintains www.kernelthread.com.

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