Operating Systems – William Stallings, 9th Ed

The book "Operating Systems: Internals and Design Principles" (Ninth Edition) by William Stallings is a definitive and comprehensive textbook covering the concepts, structure, and mechanisms of modern operating systems. Published globally by Pearson, this text blends theoretical concepts with real-world design choices by utilizing case studies from major platforms like Linux, Windows, and Android. It systematically introduces foundational computer science topics, including process management, threads, symmetric multiprocessing (SMP), memory management, virtual memory, and file structures. Additionally, it addresses contemporary engineering challenges such as concurrency control, virtualization, cloud computing, and OS security. Written with an algorithmic focus and clear architectural schematics, this book remains a standard academic resource for undergraduate and graduate students in computer science, computer engineering, and information systems.