OPERATING SYSTEMS NOTES 3rd Sem CSE

2022 Scheme Notes – OPERATING SYSTEMS  (Download👇)

Syllabus Copy

Module 1

Introduction to operating systems, System structures: What operating systems do, Computer System organization, Computer System architecture, Operating System structure, Operating System operations,
Process management, Memory management, Storage management, Protection and Security, Distributed
system, Special-purpose systems, Computing environments.

Operating System Services: User – Operating System interface, System calls, Types of system calls,
System programs, Operating system design and implementation, Operating System structure, Virtual
machines, Operating System debugging, Operating System generation, System boot.

Module 2

Process Management: Process concept, Process scheduling, Operations on processes, Inter process
communication.

Multi-threaded Programming: Overview Multithreading models, Thread Libraries, Threading issues.

Process Scheduling: Basic concepts, Scheduling Criteria, Scheduling Algorithms, Thread scheduling,
Multiple-processor scheduling.

Module 3

Process Synchronization: The critical section problem, Peterson’s solution, Synchronization hardware, Semaphores, Classical problems of synchronization.

Deadlocks: System model, Deadlock characterization, Methods for handling deadlocks, Deadlock prevention, Deadlock avoidance, Deadlock detection and recovery from deadlock.

Module 4

Memory Management: Memory management strategies: Background; Swapping, Contiguous memory allocation, Paging, Structure of page table, Segmentation.

Virtual Memory Management: Background, Demand paging, Copy-on-write, Page replacement, Allocation of frames, Thrashing.

Module 5

File System, Implementation of File System: File system: File concept, Access methods, Directory and Disk structure, File system mounting, File sharing. Implementing File system: File system structure, File system implementation, Directory implementation, Allocation methods, Free space management.

Secondary Storage Structure, Protection: Mass storage structures, Disk structure, Disk attachment, Disk
scheduling, Disk management. Protection: Goals of protection, Principles of protection, Domain of protection, Access matrix.

OS VTU NOTES 2022 SCHEME

For 3rd semester Computer Science and Engineering (CSE) students at VTU, the Operating Systems (OS) course under subject code BCS303 is a crucial part of the curriculum. The 2022 scheme notes provide a detailed understanding of operating systems’ principles, design, and functionalities. Below is an overview of the modules covered in the syllabus.

Module 1: Introduction to Operating Systems

This module covers the basics and structures of operating systems, including:

• What Operating Systems Do: Overview of OS roles and responsibilities.
• Computer System Organization: Detailed look at system architecture.
• Operating System Structure: Examination of various OS structures and their operations.
• Process, Memory, and Storage Management: Key aspects of managing system processes, memory, and storage.
• Protection and Security: Mechanisms to ensure system integrity and security.
• Distributed Systems and Special-Purpose Systems: Insights into different computing environments and their specific needs.

Module 2: Process Management and Multithreading

Focusing on the management of processes and threads, this module includes:

• Process Concept and Scheduling: Detailed study of process lifecycle and scheduling algorithms.
• Operations on Processes and Inter-process Communication: Mechanisms for process creation, execution, and communication.
• Multithreading Models and Issues: Overview of threading models, libraries, and common issues.

Module 3: Process Synchronization and Deadlocks

This module delves into the synchronization of processes and handling deadlocks:

• Critical Section Problem and Synchronization Solutions: Techniques like Peterson’s solution and use of semaphores.
• Classical Synchronization Problems: Standard problems and their solutions.
• Deadlock Characterization and Management: Methods to prevent, avoid, detect, and recover from deadlocks.

Module 4: Memory Management

In-depth exploration of memory management strategies, including:

• Swapping and Contiguous Memory Allocation: Basic memory management techniques.
• Paging and Segmentation: Advanced memory allocation methods.
• Virtual Memory Management: Concepts like demand paging, page replacement, and handling thrashing.

Module 5: File System and Secondary Storage

This module covers the implementation and management of file systems and secondary storage:

• File System Concepts and Structure: Examination of file concepts, directory structures, and file system mounting.
• Implementation Methods: Techniques for file system implementation and directory management.
• Secondary Storage Structures and Protection: Mass storage structures, disk scheduling, and principles of protection.

Additional Resources

In addition to Operating System, we offer comprehensive notes for other critical subjects in the 3rd semester under the 2022 scheme, including:

• Digital Design and Computer Organization
• M3 NOTES
• Data Structures and Applications
• Object-Oriented Programming with Java

Conclusion

The “Operating Systems (OS) BCS303 – 2022 Scheme VTU Notes” provide a comprehensive resource for 3rd semester CSE students. Each module is designed to build a robust understanding of operating systems, from basic concepts to advanced management techniques. For detailed notes and syllabus, students can download the respective modules.

Stay ahead in your studies by leveraging these meticulously compiled notes, ensuring a solid foundation in operating systems for your future endeavors in computer science.