Spread across 12 chapters, Operating Systems covers the essentials of the subject at the undergraduate level. Each chapter begins with a prelude that presents the conceptual base for the topic discussed in the chapter. The book deals at length with the basic design of operating system components using its associated data structures and algorithms, amply supported by illustrations and solved problems. It outlines the evolution of operating systems and probes contemporary computer system architecture and operating system software in a tangibly fresh approach that will help the reader gain clear insight into this fascinating subject. The essential points of each chapter are also put together as PowerPoint presentations that can be accessed online at www.universitiespress.com/aksharma/operatingsystems