Operating System kcs-401 syllabus 4th semester
Click here Operating System full notes:https://www.rtsall.com/2020/02/operating-system-notes-4th-semester-cse-aktu.html
Unit 1:- Introduction :
Operating system and functions, Classification of Operating systems- Batch,
Interactive, Time sharing, Real-Time System, Multiprocessor Systems, Multiuser Systems,
Multiprocess Systems, Multithreaded Systems, Operating System Structure- Layered structure,
System Components, Operating System services, Reentrant Kernels, Monolithic and Microkernel
Systems.
Unit 2:- Concurrent Processes:
Process Concept, Principle of Concurrency, Producer / Consumer Problem,
Mutual Exclusion, Critical Section Problem, Dekker’s solution, Peterson’s solution, Semaphores,
Test and Set operation; Classical Problem in Concurrency- Dining Philosopher Problem, Sleeping
Barber Problem; Inter-Process Communication models and Schemes, Process generation.
Unit 3:- CPU Scheduling:
Scheduling Concepts, Performance Criteria, Process States, Process Transition
Diagram, Schedulers, Process Control Block (PCB), Process address space, Process identification
information, Threads and their management, Scheduling Algorithms, Multiprocessor Scheduling.
Deadlock: System model, Deadlock characterization, Prevention, Avoidance and detection,
Recovery from deadlock.
Unit 4:- Memory Management:
Basic bare machine, Resident monitor, Multiprogramming with fixed
partitions, Multiprogramming with variable partitions, Protection schemes, Paging, Segmentation,
Paged segmentation, Virtual memory concepts, Demand paging, Performance of demand paging,
Page replacement algorithms, Thrashing, Cache memory organization, Locality of reference.
Unit 5 :- I/O Management and Disk Scheduling:
I/O devices, and I/O subsystems, I/O buffering, Disk
storage and disk scheduling, RAID. File System: File concept, File organization and access
mechanism, File directories, and File sharing, File system implementation issues, File system
protection and security.
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