Operationg System (English)

Unit 1. Introduction: Objective, scope and outcome of the course.

Unit 2. Introduction and History of Operating Systems: Structure and operations; processes and files Processor Management: inter process communication, mutual exclusion, semaphores, wait and signal procedures, process scheduling and algorithms, critical sections, threads, multithreading

Unit 3. Memory Management: contiguous memory allocation, virtual memory, paging, page table structure, demand paging, page replacement policies, thrashing, segmentation, case study

Unit 4. Deadlock: Shared resources, resource allocation and scheduling, resource graph models, deadlock detection, deadlock avoidance, deadlock prevention algorithms Device Management: devices and their characteristics, device drivers, device handling, disk scheduling algorithms and policies

Unit 5. File Management: file concept, types and structures, directory structure, cases studies, access methods and matrices, file security, user authentication

Unit 6. UNIX and Linux operating systems as case studies; Time OS and case studies of Mobile OS