JNTUK R20 B Tech CSE 2-1 Operating Systems Material/ Notes PDF Download

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JNTUK R20 B Tech CSE 2-1 Operating Systems Material/ Notes PDF Download: Explore the world of operating systems with the JNTUK R20 B Tech CSE 2-1 Operating Systems Material, crafted for B Tech students. This resource provides a clear understanding of how modern operating systems work internally, breaking down complex topics into easy-to-grasp concepts. Dive into processes, threads, CPU scheduling, deadlock resolution, memory management, and file systems. Gain insights into UNIX/Linux and Windows file systems and learn about Input-Output Management, utilizing Device Drivers, and the workings of Secondary Storage (Disk).

Additionally, the material goes into the crucial aspects of Security and Protection Mechanisms within Operating Systems. Enhance your learning by downloading the PDF material, making these fundamental concepts accessible for academic success.

JNTUK R20 B Tech CSE 2-1 Operating Systems Material – Units

Unit 1 Syllabus PDF Download | JNTUK R20 B Tech CSE OS Material

Operating Systems Overview: Operating system functions, Operating system structure, Operating systems operations, Computing environments, and Open-Source Operating Systems. System Structures: Operating System Services, User and Operating-System Interface, systems calls, Types of System Calls, system programs, operating system structure, operating system debugging, and System Boot.

Unit 2 Syllabus PDF Download | JNTUK R20 B Tech CSE OS Material

Process Concept: Process scheduling, Operations on processes, Inter-process communication, and Communication in client-server systems.

Multithreaded Programming: Multithreading models, Thread libraries, Thread issues.

Process Scheduling: Basic concepts, Scheduling criteria, Scheduling algorithms, Multiple processor scheduling, Thread scheduling.

Inter-process Communication: Race conditions, Critical Regions, Mutual exclusion with busy waiting, Sleep and wakeup, Semaphores, Mutexes, Monitors, Message passing, Barriers, Classical IPC Problems – Dining philosophers problem, Readers and writers problem.

Unit 3 Syllabus PDF Download | JNTUK R20 B Tech CSE OS Material

Memory-Management Strategies: Introduction, Swapping, Contiguous memory allocation, Paging, Segmentation.

Virtual Memory Management: Introduction, Demand paging, Copy on-write, Page replacement, Frame allocation, Thrashing, Memory-mapped files, Kernel memory allocation.

Unit 4 Syllabus PDF Download | JNTUK R20 B Tech CSE OS Material

Deadlocks: Resources, Conditions for resource deadlocks, Ostrich algorithm, Deadlock detection and recovery, Deadlock avoidance, Deadlock prevention.

File Systems: Files, Directories, File system implementation, management and optimization. Secondary-Storage Structure: Overview of disk structure, and attachment, Disk scheduling, RAID structure, Stable storage implementation.

Unit 5 Syllabus PDF Download | JNTUK R20 B Tech CSE OS Material

System Protection: Goals of protection, Principles and domain of protection, Access matrix, Access control, Revocation of access rights.

System Security: Introduction, Program threats, System and network threats, Cryptography for security, User authentication, Implementing security defenses, Firewalling to protect systems and networks, and Computer security classification. Case Studies: Linux, Microsoft Windows.

JNTUK R20 B Tech Operating Systems Material – Outcomes

• Operating System Evolution: Track the progression from early batch processing to modern cloud-based systems.
• Core Functions: Manage hardware, provide user interfaces, and enable software-hardware communication.
• Processes, Threads, Scheduling: Differentiate programs, processes, and threads; analyze CPU Scheduling Algorithms.
• Inter-Process Communication (IPC): Solve communication problems between processes using mathematical equations.
• Memory Management and File Systems: Compare paging and segmentation; apply Page Replacement Techniques. Understand UNIX/Linux and Windows File Systems, emphasizing structures and functions.

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