Operating Systems (Copy 3)

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About Course

The Operating Systems course is designed to provide learners with a solid understanding of how modern operating systems function as the backbone of computer systems. This course explores the principles, architecture, and components that make up operating systems, such as process management, memory management, file systems, device management, and system security.

Students will gain a comprehensive theoretical foundation while also learning hands-on practical skills for working with popular operating systems like Windows, Linux, and macOS. Through structured lessons, demonstrations, and lab exercises, learners will understand how operating systems allocate resources, manage hardware, execute applications, and ensure smooth user interactions.

By the end of this course, learners will have the ability to understand, configure, troubleshoot, and optimize an operating system, preparing them for roles in system administration, IT support, software development, cybersecurity, and networking.

Learning Outcomes

After completing this course, learners will be able to:

  • Understand the structure, roles, and functions of operating systems.

  • Explain the concept of processes, threads, and concurrency.

  • Manage CPU scheduling and process synchronization.

  • Demonstrate knowledge of memory allocation and virtual memory management.

  • Understand how file systems organize and store data.

  • Configure and manage users, permissions, and system resources.

  • Identify and fix performance bottlenecks in an OS environment.

  • Perform system installation, command-line operations, and shell scripting.

  • Distinguish between different operating system types and architectures.

  • Apply operating system knowledge in real-world IT environments, including networking, server management, and cybersecurity.

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What Will You Learn?

  • Explain the fundamental concepts and principles that govern operating system design and implementation.
  • Provide a detailed understanding of process management, CPU scheduling, and interprocess communication.
  • Demonstrate memory management techniques such as paging, segmentation, and virtual memory.
  • Explore file system organization, disk management, and input/output subsystems.
  • Understand security and protection mechanisms implemented by modern operating systems.
  • Expose students to various types of operating systems: batch, time-sharing, distributed, mobile, and network operating systems.
  • Develop practical skills in installing, managing, and troubleshooting operating systems such as Windows and Linux.
  • Equip students with analytical abilities to solve real-world problems related to resource allocation and performance optimization.
  • Prepare students for advanced studies in system programming, cybersecurity, and computer architecture.

Course Content

Module 1: Introduction to Operating Systems
- Definition and Purpose of Operating Systems - History and Evolution of OS - Types of Operating Systems (Batch, Time-sharing, Multiprogramming, Distributed, Real-Time, Mobile) - OS Components: Kernel, Shell, and User Interface - System Calls and Operating System Services - OS Architecture: Monolithic, Microkernel, Modular, Layered, and Virtual Machines

  • Definition and Purpose of Operating Systems
  • History and Evolution of Operating Systems
  • Types of Operating Systems
  • OS Components: Kernel, Shell, and User Interface
  • System Calls and Operating System Services
  • OS Architecture: Monolithic, Microkernel, Modular, Layered, and Virtual Machines
  • Conclusion
  • Introduction to Operating Systems

Module 2: Process Management
- Concept of a Process and Program Execution - Process States and Process Control Block (PCB) - Process Life Cycle - Process Scheduling and Scheduling Algorithms (FCFS, SJF, RR, Priority) - Threads and Multithreading Models - Interprocess Communication (Pipes, Message Passing, Shared Memory) - Deadlocks: Causes, Prevention, Avoidance, and Recovery

Module 3: CPU Scheduling
- Objectives and Criteria of Scheduling - Preemptive and Non-Preemptive Scheduling - Scheduling Algorithms (FCFS, SJF, RR, Priority, Multilevel Queue) - Performance Metrics: Turnaround Time, Waiting Time, Throughput, Response Time - Case Study: CPU Scheduling in Windows and Linux

Module 4: Memory Management
- Memory Hierarchy and Organization - Swapping and Contiguous Memory Allocation - Paging, Segmentation, and Virtual Memory Concepts - Page Replacement Algorithms (FIFO, LRU, Optimal) - Thrashing and Working Set Model - OS Examples: Memory Management in Windows and Linux

Module 5: File System Management
- File Concept, Access Methods, and Directory Structures - File System Mounting and Sharing - File Allocation Methods (Contiguous, Linked, Indexed) - Free Space Management - Disk Scheduling Algorithms (FCFS, SSTF, SCAN, C-SCAN) - Case Study: NTFS, FAT32, and ext4 File Systems

Module 6: I/O System and Device Management
- I/O Hardware and Software Components - Device Drivers and Interrupt Handling - Disk and Peripheral Device Management - Buffering, Spooling, and Caching - I/O Scheduling and Performance Optimization - Example: Printer and Storage Device Management

Module 7: System Protection and Security
- Need for System Security - Access Control and Authentication - User Privileges, Permissions, and File Security - Encryption, Firewalls, and Antivirus - Protection Mechanisms: Passwords, Tokens, Biometric Authentication - Security in Windows and Linux Operating Systems

Module 8: System Performance and Optimization
- Boot Process and System Initialization - Resource Allocation and Utilization - Performance Metrics and Monitoring Tools - System Logs and Troubleshooting Techniques - Performance Tuning: CPU, Memory, Disk, and Network Optimization - Backup and Recovery Strategies

Module 9: Operating System Installation & Configuration
- Installing Windows, Linux, and Dual Boot Systems - Configuring Drivers and Devices - Command-Line Basics (CMD, PowerShell, and Linux Terminal) - File System Navigation and Management - User and Group Management - System Update and Maintenance - Writing Simple Shell Scripts

Module 10: Modern and Advanced Operating Systems
- Mobile Operating Systems (Android, iOS) - Distributed Operating Systems and Cloud-Based Systems - Virtualization and Hypervisors (VMware, VirtualBox) - Real-Time Operating Systems (RTOS) - IoT Operating Systems Overview - Future Trends in Operating Systems

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