Operating System Principles And Concepts

Master the Core Concepts and Principles of Operating Systems: From Basics to Advanced Topics in One Comprehensive Course

What you'll learn

Introduction to OS: Learn the basics of operating systems and their role in managing computer resources.

OS Structures: Understand system calls, OS architecture, and layered design.

Processes and Threads: Explore process lifecycle, inter-process communication, and thread concepts.

CPU Scheduling: Study scheduling algorithms to optimize performance metrics like waiting and turnaround time.

Process Synchronization: Learn synchronization techniques like semaphores and monitors to handle concurrent processes.

Deadlocks: Understand deadlock conditions and strategies for prevention, avoidance, and recovery.

Memory Management: Dive into paging, segmentation, and efficient memory allocation methods.

Virtual Memory: Learn virtual memory concepts, page replacement, and performance enhancement techniques.

File Systems: Explore file structures, directories, and file management techniques.

File System Implementation: Understand practical file system allocation and efficiency.

Mass Storage Structures: Learn disk scheduling and storage management techniques for secondary storage.

Learn to solve problems based on the above topics which will help you in various competitive exams.

Requirements

NIL

Description

"Operating System Principles and Concepts" is a comprehensive course designed to help you master the fundamentals and advanced topics of operating systems. Inspired by the renowned textbook - Operating System Concepts by Abraham Silberschatz, Greg Gagne, and Peter Baer Galvin, this course dives into the core principles and concepts that power modern computing systems.Through engaging lectures and practical examples, you’ll explore:The basics of operating systems and their structures.Process management, threading, and CPU scheduling.Memory management, including paging, segmentation, and virtual memory.File systems, their implementation, and storage management.Synchronization, deadlocks, and strategies to avoid them.Solved problems on many of the conceptsThis course is perfect for computer science students, aspiring software engineers, tech enthusiasts, and anyone preparing for technical exams or interviews. A significant portion of the initial chapter is free, allowing you to explore foundational concepts before committing fully.By the end of this course, you’ll have a comprehensive and in-depth understanding of how operating systems function, both in theory and in practice. You’ll be equipped with the knowledge to analyze, design, and troubleshoot the core components of operating systems, such as process management, memory allocation, file systems, and storage structures. These concepts will not only strengthen your academic foundation but also prepare you to tackle complex technical challenges with confidence.Enroll now and start your journey into the fascinating world of operating systems!

Overview

Section 1: Introduction to the course

Lecture 1 Introduction to the course

Section 2: Introduction and Basics

Lecture 2 Introduction to Operating System

Lecture 3 Basics of Operating System (Computer System Operation)

Lecture 4 Basics of Operating System (Storage Structure)

Lecture 5 Basics of Operating System (I/O Structure)

Lecture 6 Computer System Architecture

Section 3: Operating System Structure

Lecture 7 Operating System Structure

Lecture 8 Operating System Services

Lecture 9 User Operating System Interface

Lecture 10 System Calls

Lecture 11 Types of System Calls

Lecture 12 System Programs

Lecture 13 Operating System Design and Implementation

Lecture 14 Structures of Operating System

Lecture 15 Virtual Machines

Lecture 16 Operating System Generation and System Boot

Section 4: Processes

Lecture 17 Process Management (Processes and Threads)

Lecture 18 Process State

Lecture 19 Process Control Block

Lecture 20 Process Scheduling

Lecture 21 Context Switch

Lecture 22 Operation on Processes – Process Creation

Lecture 23 Operation on Processes – Process Termination

Lecture 24 Interprocess Communication

Lecture 25 Shared Memory Systems

Lecture 26 Message Passing Systems (Part-1)

Lecture 27 Message Passing Systems (Part-2)

Lecture 28 Message Passing Systems (Part-3)

Lecture 29 Sockets

Lecture 30 Remote Procedure Calls

Lecture 31 Issues in RPC and how they are resolved

Section 5: Threads

Lecture 32 Threads

Lecture 33 Multithreading Models and Hyperthreading

Lecture 34 Fork and Exec System Calls

Lecture 35 Threading Issues (fork() and exec() System Calls)

Lecture 36 Threading Issues (Thread Cancellation)

Section 6: CPU Scheduling

Lecture 37 CPU Scheduling

Lecture 38 CPU and I/O Burst Cycles

Lecture 39 Preemptive and Non-Preemptive Scheduling

Lecture 40 Scheduling Criteria

Lecture 41 First Come First Served Scheduling Algorithm

Lecture 42 First Come First Served Scheduling – Solved Problem 1

Lecture 43 First Come First Served Scheduling – Solved Problem 2

Lecture 44 Shortest Job First Scheduling Algorithm

Lecture 45 Shortest Job First Scheduling – Solved Problem 1

Lecture 46 Shortest Job First Scheduling – Solved Problem 2

Lecture 47 Priority Scheduling Algorithm

Lecture 48 Priority Scheduling – Solved Problem 1

Lecture 49 Priority Scheduling – Solved Problem 2

Lecture 50 Round Robin Scheduling Algorithm

Lecture 51 Round Robin Scheduling- Turnaround Time and Waiting Time

Lecture 52 Round Robin Scheduling- Solved Problem (Part-1)

Lecture 53 Round Robin Scheduling- Solved Problem (Part-2)

Lecture 54 Multilevel Queue Scheduling Algorithm

Lecture 55 Multilevel Feedback-Queue Scheduling Algorithm

Lecture 56 Scheduling Algorithms – Solved Problems

Section 7: Process Synchronization

Lecture 57 Process Synchronization

Lecture 58 The Critical-Section Problem

Lecture 59 Peterson’s Solution

Lecture 60 Test and Set Lock

Lecture 61 Semaphores

Lecture 62 Disadvantages of Semaphores

Lecture 63 The Bounded Buffer Problem

Lecture 64 The Readers Writers Problem

Lecture 65 The Dining Philosophers Problem

Lecture 66 Monitors

Lecture 67 Dining Philosophers Solution using Monitors

Lecture 68 Process Synchronization- Solved Problem-1

Lecture 69 Process Synchronization- Solved Problem-2

Lecture 70 Process Synchronization- Solved Problem-3

Lecture 71 Process Synchronization- Solved Problem-4

Lecture 72 Process Synchronization- Solved Problem-5

Section 8: Deadlocks

Lecture 73 Deadlocks

Lecture 74 Deadlock Characterization

Lecture 75 Resource Allocation Graph

Lecture 76 Methods for handling Deadlocks

Lecture 77 Deadlock Prevention

Lecture 78 Deadlock Avoidance

Lecture 79 Resource Allocation Graph Algorithm

Lecture 80 Banker’s Algorithm

Lecture 81 Example of Safety Algorithm

Lecture 82 Deadlock Detection (Resource with single instances)

Lecture 83 Deadlock Detection (Resource with single instances)

Lecture 84 Deadlock Detection (Resource with multiple instances)

Lecture 85 Deadlock Detection (Resource with multiple instances) - Example

Lecture 86 Recovery from Deadlock (Process Termination)

Lecture 87 Recovery from Deadlock (Resource Preemption)

Lecture 88 Deadlocks: Solved Problem-1

Lecture 89 Deadlocks: Solved Problem-2

Lecture 90 Deadlocks: Solved Problem-2

Lecture 91 Deadlocks Solved Problem-4

Lecture 92 Deadlocks Solved Problem-5

Lecture 93 Deadlocks Solved Problem-6

Section 9: Main Memory

Lecture 94 Memory Management

Lecture 95 Main Memory (Basic Hardware)

Lecture 96 Address Binding

Lecture 97 Logical Versus Physical Address Space

Lecture 98 Dynamic Loading

Lecture 99 Dynamic Linking and Shared Libraries

Lecture 100 Swapping

Lecture 101 Swap Time

Lecture 102 Memory Allocation

Lecture 103 Dynamic Storage Allocation Problem

Lecture 104 Fragmentation

Lecture 105 Paging

Lecture 106 Page Table

Lecture 107 Hardware Implementation of Page Table

Lecture 108 Page Table Entries

Lecture 109 Shared Pages

Lecture 110 Hierarchical Paging

Lecture 111 Hashed Page Tables

Lecture 112 Inverted Page Tables

Lecture 113 Segmentation

Lecture 114 Segmentation

Lecture 115 Main Memory (Solved Problem 1)

Lecture 116 Main Memory (Solved Problem 2)

Lecture 117 Main Memory (Solved Problem 3)

Lecture 118 Main Memory (Solved Problem 4)

Lecture 119 Main Memory (Solved Problem 5)

Lecture 120 Main Memory (Solved Problem 6)

Section 10: Virtual Memory

Lecture 121 Virtual Memory

Lecture 122 Demand Paging

Lecture 123 Hardware Implementation of Demand Paging

Lecture 124 Page Fault

Lecture 125 Performance of Demand Paging

Lecture 126 Copy on Write

Lecture 127 Problems of Demand Paging

Lecture 128 Page Replacement

Lecture 129 FIFO (First In First Out) Page Replacement

Lecture 130 Belady’s Anomaly

Lecture 131 Optimal Page Replacement

Lecture 132 LRU (Least Recently Used) Page Replacement

Lecture 133 Implementation of LRU Page Replacement

Lecture 134 Additional Reference Bits Algorithm

Lecture 135 Second Chance Algorithm

Lecture 136 Enhanced Second Chance Algorithm

Lecture 137 Counting Based Page Replacement

Lecture 138 Page Buffering Algorithms

Lecture 139 Allocation of Frames

Lecture 140 Allocation Algorithms

Lecture 141 Global Versus Local Allocation

Lecture 142 Thrashing

Lecture 143 Working-Set Model

Lecture 144 Virtual Memory (Solved Problem 1)

Lecture 145 Virtual Memory (Solved Problem 2)

Lecture 146 Virtual Memory (Solved Problem 3)

Lecture 147 Virtual Memory (Solved Problem 4)

Lecture 148 Virtual Memory (Solved Problem 5)

Lecture 149 Virtual Memory (Solved Problem 6)

Section 11: File Systems

Lecture 150 Storage Management

Lecture 151 Concept of File

Lecture 152 File Attributes

Lecture 153 File Operations

Lecture 154 File Types

Lecture 155 Access Methods

Lecture 156 Directory Structure

Lecture 157 Single-Level Directory

Lecture 158 Two-Level Directory

Lecture 159 Tree-Structured Directories

Lecture 160 Acyclic-Graph Directories

Lecture 161 General Graph Directory

Lecture 162 File-System Mounting

Lecture 163 File Sharing

Lecture 164 Remote File Systems

Lecture 165 The Client-Server Model

Lecture 166 Failure Modes

Lecture 167 Consistency Semantics

Lecture 168 Protection (Types of Access)

Lecture 169 Protection (Access Control)

Section 12: File System Implementation

Lecture 170 File-System Implementation

Lecture 171 In-Memory Structures

Lecture 172 Virtual File Systems

Lecture 173 Directory Implementation

Lecture 174 Contiguous Disk Space Allocation

Lecture 175 Linked Disk Space Allocation

Lecture 176 File Allocation Table (FAT)

Lecture 177 Indexed Disk Space Allocation

Lecture 178 Performance of Disk Space Allocation Methods

Lecture 179 The UNIX inode

Lecture 180 Free-Space Management

Lecture 181 File System Implementation (Solved Problem-1)

Lecture 182 File System Implementation (Solved Problem-2)

Lecture 183 File System Implementation (Solved Problem-3)

Lecture 184 File System Implementation (Solved Problem-4)

Lecture 185 File System Implementation (Solved Problem-5)

Section 13: Mass Storage Structure

Lecture 186 Mass-Storage Structure

Lecture 187 Magnetic Disks

Lecture 188 Magnetic Tapes

Lecture 189 Disk Structure

Lecture 190 Disk Attachment

Lecture 191 Disk Scheduling

Lecture 192 FCFS (First-Come, First-Served) Disk Scheduling Algorithm

Lecture 193 SSTF (Shortest-Seek-Time-First) Disk Scheduling Algorithm

Lecture 194 SCAN (Elevator) Disk Scheduling Algorithm

Lecture 195 C-SCAN (Circular-SCAN) Disk Scheduling Algorithm

Lecture 196 LOOK Disk Scheduling Algorithm

Lecture 197 C-LOOK (Circular LOOK) Disk Scheduling Algorithm

Lecture 198 Selection of a Disk Scheduling Algorithm

Lecture 199 Disk Formatting

Lecture 200 Boot Block

Lecture 201 Bad Blocks

Lecture 202 Swap-Space Use

Lecture 203 Swap-Space Location

Lecture 204 An Example of Swap-Space Management

Lecture 205 RAID Structure

Lecture 206 Improvement of Reliability via Redundancy

Lecture 207 Improvement in Performance via Parallelism

Lecture 208 RAID Levels (Part-1)

Lecture 209 RAID Levels (Part-2)

Lecture 210 Stable-Storage Implementation

Lecture 211 Tertiary-Storage

Lecture 212 Mass-Storage Structure (Solved Problem-1)

Lecture 213 Mass-Storage Structure (Solved Problem-2)

Lecture 214 Mass-Storage Structure (Solved Problem-3)

Lecture 215 Mass-Storage Structure (Solved Problem-4)

Lecture 216 Mass-Storage Structure (Solved Problem-5)

Lecture 217 Mass-Storage Structure (Solved Problem-6)

Computer Science Students: Undergraduate and graduate students seeking a comprehensive understanding of operating systems.,Aspiring Software Engineers: Individuals preparing for careers in software development, system design, or IT infrastructure.,Coding and Tech Enthusiasts: Learners curious about how operating systems function and manage hardware and software.,Interview Preparation: Candidates preparing for technical interviews or competitive exams like GATE, ISRO, that include operating system concepts.,Self-taught Programmers: Programmers looking to strengthen their foundation in OS to enhance their programming and problem-solving skills.,Educators and Tutors: Instructors seeking an organized and practical resource to teach operating systems.