CS3451 INTRODUCTION TO OPERATING SYSTEMS ANNA UNIVERSITY SYLLABUS
CS3451 INTRODUCTION TO OPERATING SYSTEMS
CS3451 INTRODUCTION TO OPERATING SYSTEMS L T P C
3 0 0 3
COURSE OBJECTIVES:
• To understand the basics and functions of operating systems.
• To understand processes and threads
• To analyze scheduling algorithms and process synchronization.
• To understand the concept of deadlocks.
• To analyze various memory management schemes.
• To be familiar with I/O management and file systems.
• To be familiar with the basics of virtual machines and Mobile OS like iOS and Android.
UNIT I INTRODUCTION 7
Computer System – Elements and organization; Operating System Overview – Objectives and Functions
- Evolution of Operating System; Operating System Structures – Operating System Services – User Operating System Interface – System Calls – System Programs – Design and Implementation – Structuring methods.
UNIT II PROCESS MANAGEMENT 11
Processes – Process Concept – Process Scheduling – Operations on Processes – Inter-process Communication; CPU Scheduling – Scheduling criteria – Scheduling algorithms: Threads – Multithread Models – Threading issues; Process Synchronization – The Critical-Section problem – Synchronization hardware – Semaphores – Mutex – Classical problems of synchronization – Monitors; Deadlock – Methods for handling deadlocks, Deadlock prevention, Deadlock avoidance, Deadlock detection, Recovery from deadlock.
UNIT III MEMORY MANAGEMENT 10
Main Memory – Swapping – Contiguous Memory Allocation – Paging – Structure of the Page Table – Segmentation, Segmentation with paging; Virtual Memory – Demand Paging – Copy on Write – Page Replacement – Allocation of Frames –Thrashing.
UNIT IV STORAGE MANAGEMENT 10
Mass Storage system – Disk Structure – Disk Scheduling and Management; File-System Interface – File concept – Access methods – Directory Structure – Directory organization – File system mounting – File Sharing and Protection; File System Implementation – File System Structure – Directory implementation
- Allocation Methods – Free Space Management; I/O Systems – I/O Hardware, Application I/O interface, Kernel I/O subsystem.
UNIT V VIRTUAL MACHINES AND MOBILE OS 7
Virtual Machines – History, Benefits and Features, Building Blocks, Types of Virtual Machines and their Implementations, Virtualization and Operating-System Components; Mobile OS – iOS and Android.
TOTAL:45 PERIODS
COURSE OUTCOMES:
At the end of this course, the students will be able to:
CO1 : Analyze various scheduling algorithms and process synchronization.
CO2 : Explain deadlock prevention and avoidance algorithms.
CO3 : Compare and contrast various memory management schemes.
CO4 : Explain the functionality of file systems, I/O systems, and Virtualization
CO5 : Compare iOS and Android Operating Systems.
TEXT BOOKS:
- Abraham Silberschatz, Peter Baer Galvin and Greg Gagne, “Operating System Concepts”‖, 10th Edition, John Wiley and Sons Inc., 2018.
- Andrew S Tanenbaum, “Modern Operating Systems”, Pearson, 5th Edition, 2022 New Delhi.
REFERENCES:
- Ramaz Elmasri, A. Gil Carrick, David Levine, “ Operating Systems – A Spiral Approach”, Tata McGraw Hill Edition, 2010.
- William Stallings, “Operating Systems: Internals and Design Principles”, 7th Edition, Prentice Hall, 2018.
- Achyut S.Godbole, Atul Kahate, “Operating Systems”, McGraw Hill Education, 2016.
CS3451 INTRODUCTION TO OPERATING SYSTEMS ANNA UNIVERSITY SYLLABUS R2021
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