Introduction, Single-user systems,Operating system components and services, Operating system structures, Process concept, Inter-process communication (IPC) and process synchronization, UNIX/Linux IPC tools and associated system calls, Use of FIFOs in a program, Thread models, Schedulers, Dispatcher, Algorithm evaluation, Process synchronization, The Critical Section Problem, The Bakery Algorithm, Deadlock and Starvation, Deadlock handling, Detections and Recovery, Memory management, Paging, Memory Management in Intel 80386, Virtual Memory, Demand Paging, , Page Fault, Belady’s Anomaly, Stack Replacement Algorithms, Thrashing, File Concept, Directory Structure, File System, Mounting, File Sharing and Protection, Space Allocation Techniques, Disk Structure and Scheduling, Free Space Management