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Subject Syllabus

CS-405 – Operating Systems (OS)

CSE • SEMESTER-4

Rajiv Gandhi Proudyogiki Vishwavidyalaya, Bhopal

Course Modules

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Function, Evolution, Different Types Desirable Characteristics and features of an O/S Operating Systems Services: Types of Services, Different ways of providing these Services – Utility Programs, System Calls

File Concept, User's and System Programmer's view of File System Disk Organization, Tape Organization Different Modules of a File System Disk Space Allocation Methods – Contiguous, Linked, Indexed Directory Structures File Protection System Calls for File Management Disk Scheduling Algorithms

CPU Scheduling: Process Concept, Scheduling Concepts, Types of Schedulers, Process State Diagram, Scheduling Algorithms, Algorithms Evaluation, System calls for Process Management; Multiple Processor Scheduling; Concept of Threads Memory Management: Different Memory Management Techniques – Partitioning, Swapping, Segmentation, Paging, Paged Segmentation, Comparison of these techniques, Techniques for supporting the execution of large programs: Overlay, Dynamic Linking and Loading, Virtual Memory – Concept, Implementation by Demand Paging etc.

Input / Output: Principles and Programming, Input/Output Problems, Asynchronous Operations, Speed gap Format conversion, I/O Interfaces, Programme Controlled I/O, Interrupt Driven I/O, Concurrent I/O Concurrent Processes: Real and Virtual Concurrency, Mutual Exclusion, Synchronization, Inter-Process Communication, Critical Section Problem, Solution to Critical Section Problem: Semaphores – Binary and Counting Semaphores, WAIT & SIGNAL Operations and their implementation. Deadlocks: Deadlock Problems, Characterization, Prevention, Avoidance, Recovery

Introduction to Network, Distributed and Multiprocessor Operating Systems Case Studies: Unix/Linux, WINDOWS and other Contemporary Operating Systems