CS3451 Introduction to Operating Systems Notes
Download CS3451 Introduction to Operating Systems Books, Lecture Notes, Part-A 2 marks with answers, Part-B 16 marks Questions, PDF Books. In this Notes Very Useful for Second Year Fourth Semester Students.
“CS3451 Introduction to Operating Systems Books”
“CS3451 Introduction to Operating Systems Lecture Notes”
“CS3451 Introduction to Operating Systems Study Material”
“CS3451 Introduction to Operating Systems Notes”
Subject Info:
| Semester | Fourth Semester |
| Department | CSE |
| Year | Second Year |
| Regulation | R 2021 |
| Subject Code / Name | CS3451 Introduction to Operating Systems |
| Content | Local Authors Books, Lecture Notes |
Syllabus:
CS3451 Introduction to Operating Systems
UNIT I INTRODUCTION
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
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
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
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
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.