The ninth edition of Operating System Concepts continues to evolve to provide a solid theoretical foundation for understanding operating systems. This edition has been updated with more extensive coverage of the most current topics and applications, improved conceptual coverage and additional content to bridge the gap between concepts and actual implementations. A new design allows for easier navigation and enhances reader motivation. Additional end–of–chapter, exercises, review questions, and programming exercises help to further reinforce important concepts. WileyPLUS, including a test bank, self–check exercises, and a student solutions manual, is also part of the comprehensive support package.

第九版《操作系统概念》继续发展，为理解操作系统提供坚实的理论基础。本版对最新的主题和应用进行了更新，对概念的覆盖面进行了改进，并增加了内容，以弥补概念和实际实现之间的差距。新的设计使导航更容易，并提高了读者的积极性。额外的章末练习、复习题和编程练习有助于进一步强化重要概念。WileyPLUS，包括测试库、自我检查练习和学生解决方案手册，也是全面支持包的一部分。