Lecture Notes || SNS Courseware

Subject Details

Dept : AIML

Sem : 4

Regul : 2023

Faculty : Dr M Kiruba

phone : 1234567890

E-mail : kiruba.m.it@snsct.org

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Lecture Notes

UNIT 1:

Process Management – Memory Management – Storage Management

Introduction

Architecture, Operation

Multi-threading Models – Threading issues.

Operations on processes – Cooperating processes

Inter process communication. Threads

Process concept – Process scheduling

Operating System

Inter process communication. Threads

UNIT 2:

CPU Scheduling - Scheduling criteria

Scheduling algorithms – Multiple-processor scheduling

Real time scheduling – Algorithm Evaluation.Process Synchronization

The critical-section problem – Synchronization hardware

Semaphores – Classical problems of synchronization

Deadlock characterization – Methods for handling deadlocks

Deadlock prevention – Deadlock avoidance

Deadlock detection – Recovery from deadlock.

Deadlock - System model

UNIT 3:

Memory Management - Background

Swapping – Contiguous memory allocation

Paging – Segmentation

Segmentation with pagin

Virtual Memory - Background

Demand paging

Process creation

Page replacement – Allocation of frames

Thrashing.

UNIT 4:

File concept

Access methods

Directory structure

Files System Mounting – File Sharing

Protection

File System Implementation

Directory implementation

Allocation methods

Free-space management

UNIT 5:

I/O Systems - I/O Hardware

Application I/O interface

Kernel I/O subsystem

Streams – Performance

Mass-Storage Structure: Disk scheduling

Disk management

Swap-space management – RAID

Disk attachment – Stable storage – Tertiary storage.

Case study: Implementation of Distributed File system in Cloud OS / Mobile OS.

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