"Operating System Engineering" delves into the intricate world of operating system (OS) design and development, offering a comprehensive exploration that spans both foundational principles and cutting-edge advancements. This book serves as a definitive guide for students, researchers, and professionals, blending theoretical insights with practical applications to illuminate the complexities of OS architecture. Covering a broad spectrum from process management and memory allocation to security and concurrency, it provides an in-depth understanding of how operating systems function, how they are engineered to meet diverse computational needs, and how they interact with hardware. Additionally, it addresses contemporary challenges and innovations in the field, including virtualization, cloud computing, and the impact of AI on OS development. "Operating System Engineering" equips readers with the knowledge and skills to contribute to the evolution of operating systems in an ever-changing technological landscape.