22 Buffer Cache - 1

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Video lectures and Lecture Notes on "Operating Systems" by Prof. P.K. Biswas sir, IITKGP




1 introduction to operating system

2 process management 1

3 process management 2

4 concurrent management 1

5 concurrent management 2

6 concurrent management 3

7 critical section problem 1

8 critical section problem 2

9 critical section problem 3

10 deadlock 1

11 deadlock 2

12 deadlock 3

13 deadlock 4

14 deadlock 5

15 memory mangement 1

16 memory mangement 2

17 memory mangement 3

18 memory mangement 4

19 cache memory 1

20 cache memory 2

21 secondary storage

22 buffer cache 1

23 buffer cache 2

24 file represenation 1

25 file represenation 2

26 file represenation 3

27 file system architecture 1

28 file system architecture 2

29 file system architecture 3

30 introduction to distributed file system

31 conclusion

Introduction and history of Operating systems, structure and operations; processes and files

Processor management: inter process communication, mutual exclusion, semaphores, wait and signal procedures, process scheduling and algorithms, critical sections, threads, multi threading

Memory management: contiguous memory allocation, virtual memory, paging, page table structure, demand paging, page replacement policies, thrashing, segmentation, case study

Deadlock: Shared resources, resource allocation and scheduling, resource graph models, deadlock detection, deadlock avoidance, deadlock prevention algorithms

Device management: devices and their characteristics, device drivers, device handling, disk scheduling algorithms and policies



File management: file concept, types and structures, directory structure, cases studies, access methods and matrices, file security, user authentication

UNIX and Linux operating systems as case studies

Time OS and case studies of Mobile OS