Master Operating Systems: Your Complete Roadmap

Dive deep into the core concepts of operating systems for academic success and real-world applications.

Basic overview

What are Operating Systems?

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Why Learn Operating Systems?

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Estimated time commitment for the roadmap.

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Phases of the Operating Systems Roadmap

Phase 1: Fundamentals of Operating Systems

What is an Operating System?

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Types of Operating Systems (Batch, Time-Sharing, Distributed, etc.)

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Functions of Operating Systems

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Kernel and Shell Basics

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User and System Modes

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Phase 2: Process Management

Processes and Threads

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Process Life Cycle

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Process Scheduling (FCFS, SJF, Round Robin, Priority Scheduling)

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Inter-Process Communication (IPC)

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Synchronization: Semaphores and Mutex

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Phase 3: Memory Management

Introduction to Memory Management

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Contiguous Memory Allocation

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Paging and Segmentation

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Virtual Memory Concepts

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Demand Paging and Page Replacement Algorithms

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Phase 4: File Systems

File and Directory Structure

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File Allocation Methods (Contiguous, Linked, Indexed)

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File System Implementation

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Access Control and Security

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Journaling File Systems

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Phase 5: Input/Output Management

Overview of I/O Systems

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Device Drivers and Controllers

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I/O Scheduling Algorithms

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Buffering, Spooling, and Caching

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Interrupt Handling

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Phase 6: Deadlock

Introduction to Deadlocks

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Necessary Conditions for Deadlock

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Deadlock Detection and Prevention

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Deadlock Avoidance (Banker’s Algorithm)

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Deadlock Recovery Techniques

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Phase 7: Storage Management

Secondary Storage Management

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Disk Scheduling Algorithms (FCFS, SSTF, SCAN, C-SCAN)

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RAID Levels and Implementation

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Storage Devices and Hierarchy

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Phase 8: Security and Protection

System Security Basics

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Authentication and Authorization

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Access Control Lists (ACLs)

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Encryption and Decryption in OS

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Secure System Design Principles

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Phase 9: Advanced Operating System Concepts

Distributed Operating Systems

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Real-Time Operating Systems (RTOS)

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Embedded Operating Systems

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Cloud-Based Operating Systems

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Virtualization and Hypervisors

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Phase 10: Linux and Windows OS Fundamentals

Linux File System and Commands

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Windows OS Architecture

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System Calls in Linux and Windows

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Shell Scripting Basics

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