For introductory courses in operating systems. Practical coverage of big-picture concepts Modern Operating Systems incorporates the latest developments and technologies in operating systems (OS) technologies. Author Andy Tanenbaum's clear and entertaining writing style outlines the concepts every OS designer needs to master. In-depth topic coverage includes processes, threads, memory management, file systems, I/O, deadlocks, interface design, multimedia, performance tradeoffs, and trends in OS design. Case studies explore popular OS and provide real-world context. Tanenbaum also provides information on current research based on his experience as an operating systems researcher. Hallmark features of this title In-depth topic coverage includes processes, threads, memory management, file systems, I/O, deadlocks, interface design, multimedia, performance tradeoffs, and the newest trends in operating systems (OS) design. Multimedia file systems are covered in detail, an important topic that most books miss. Thorough treatment of computer security includes viruses, worms, malware and other digital pests. Practical guidance is also provided on ways to combat and defend against security threats. Full-chapter case studies explore current OS in real-world detail. A clear and entertaining writing style outlines the big-picture concepts every OS designer needs to master. New and updated features of this title UPDATED: Modern storage solutions such as flash-based solid-state drives (SSDs) and persistent memory are thoroughly discussed. UPDATED: Content discusses new trends and developments. Topics include advancements in event-driven servers; modern 64-bit architectures, files systems, input/output, virtualization and the cloud and more. UPDATED: Security treatment focuses on topics that are directly relevant for OS design and structure. Exciting new hardware developments, software vulnerabilities, attacks and defenses are discussed in detail. UPDATED: Linux and Android case study features new developments in the current versions of Linux and Android OS. NEW: Windows 11 case study explores the latest major release of Microsoft's NT OS. UPDATED: Suggested readings, references and research reflect the latest operating systems. New problems are included in every chapter.