KEY BENEFIT The widely anticipated revision of this worldwide best-seller incorporates the latest developments in operating systems technologies. KEY TOPICS In-depth topic coverage includes processes, threads, memory management, file systems, I/O, deadlocks, interface design, multimedia, performance tradeoffs, and the newest trends in OS design. The Fourth Edition includes up-to-date materials on relevant operating systems. It also provides information on current research based on Tanenbaum's experiences as an operating systems researcher. MARKET A useful reference for OS professionals.