presenting core operating system concepts illustrated with real-world examples that provide a practical perspective on the material. This book features a complete discussion of operating system principles, supplemented with code, algorithms, implementation issues, and lab exercises to provide a comprehensive understanding of contemporary operating system practice. Features *Discusses the basic principles behind the design of all operating systems * In the Hangar examples show how the principles are applied in practice using Linux/UNIX and the Windows NT operating systems * Performance Tuning discussions explain how system designers have exploited the basic principles to achieve higher performance * Lab Exercises allow students to gain hands-on experience with the details of how to use Linux/UNIX