Operating System (22516)
CHAPTER 1: OVERVIEW OF OPERATING SYSTEM
CHAPTER 2: SERVICES AND COMPONENTS OF OPERATING SYSTEM
| Title/ Topic Details | YouTube Video |
| Operating System – Concept, Components of computer system, operations of OS: Program Management, Resource management, Security and protection. Views of OS: User view, System View | 1.https://youtu.be/If4HyLRoR54 |
| Different Types of Operating systems- Batch operating system, Multi Programmed, Time Shared OS, Multiprocessor Systems, Distributed Systems, Real time systems. Mobile OS. Command line based OS – DOS, UNIX GUI based OS –WINDOWS, LINUX | 2. https://youtu.be/j723dD7Glrs |
| Different Services of Operating System. | 3. https://youtu.be/w1Yj17iHbO0 |
| System Calls- Concept and its types | 4. https://youtu.be/f7JcINX6wlE |
| OS Components: - Process Management, Main Memory Management, File Management, I/O System management, Secondary storage management. | 5. https://youtu.be/gbAB2p8kwhE |
| Use of operating system tools: user management, security policy, device management, performance monitor, task scheduler. | 6. https://youtu.be/TOwZvoTsd28 |
| Process-: process states, | 7. https://youtu.be/WM6DTL6jI_4 |
| Process Control Block (PCB) | 8. https://youtu.be/W9YGbK2oH5I |
| Process Scheduling- Scheduling Queues, Schedulers | 9. https://youtu.be/TqEirhgOeew |
| Context switch | 10. https://youtu.be/rksoTpmGBbs |
| Inter-process communication (IPC): shared memory system & message passing system. | 11. https://youtu.be/1sKCJlcS8yw |
| Threads - Benefits, users and kernel threads, | 12. https://youtu.be/Xvbcn1Gf3pU |
| Multithreading Models - Many to One, One to One, Many to Many. | 13. https://youtu.be/c8c9-neHsTs |
| Execute process commands- like ps, wait, sleep, exit, kill | 14. https://youtu.be/eZa2i_eV2LI |
| Scheduling types – scheduling Objectives, , Pre-emptive, Non- Pre-emptive Scheduling, Scheduling criteria. | 15. https://youtu.be/XaiIMfJfYpE |
| CPU and I/O burst cycles | 16. https://youtu.be/wrPHgPPy_Qg |
| Types of Scheduling algorithms: 1. First come first served (FCFS), | 17. https://youtu.be/VhnFnfWeah8(FCFS) |
| 1. First come first served (FCFS), | 18. https://youtu.be/6Qs8lzGPsAI(FCFS2) |
| 2. Round Robin (RR) | 19. https://youtu.be/xiGTOtpSdgE (RR) |
| 3. Shortest Job First (SJF), | 20. https://youtu.be/b7caXdE1qfs(SJF) |
| 4. Shortest Remaining Time(SRTN), | 21. https://youtu.be/DpIidyR1LdM(SRTN) |
| 5. Priority scheduling, (Priority _preemptive) | 22. https://youtu.be/yZ58opOWZ8o |
| 5. Priority scheduling, (Priority _Nonpreemptive) | 23. https://youtu.be/o_sWPYmLfLY |
| 6. multilevel queue scheduling. | 24. https://youtu.be/xJGXHyPzxKM Multilevel |
| Deadlock - System Models | 25. https://youtu.be/SuhFHWiERGM |
| Necessary Conditions leading to Deadlocks | 26. https://youtu.be/csdyWuGUpE0 |
| Deadlock Handling - Preventions | 27. https://youtu.be/yL7ZXSwBxUs |
| Deadlock Avoidance. | 28. https://youtu.be/cDxsucITQJ0 |
| Basic Memory Management - Partitioning, Fixed and Variable, Fragmentation | 29. https://youtu.be/AjGZBUOtI9Q |
| Free Space management Techniques - Bitmap, Linked List. | 30. https://youtu.be/ZPv0PpZfdZc |
| Virtual Memory | 31. https://youtu.be/uuWF1J2MVds |
| Introduction to Paging, Segmentation | 32. https://youtu.be/PiJu_V6xSCk |
| Page Replacement Algorithms: FIFO | 33. https://youtu.be/QviVBYUm8cI |
| Page Replacement Algorithms LRU, Optimal | 34. https://youtu.be/SaZt8POLVs0 |
| File – Concepts, Attributes, Operations, types and File System Structure. | 35. https://youtu.be/8ihd1bxcy6g |
| Access Methods – Sequential, Direct, Swapping, | 36. https://youtu.be/YBvn64z09IU |
| File Allocation Methods- Contiguous, Linked, Indexed. | 37. https://youtu.be/h0na_OUqAMg |
| Directory structure— Single level, two levels, tree-structured directory, | 38. https://youtu.be/zpBmn5j3RTI |
| Disk Organization and disk Structure- Physical structure, Logical structure, | 39. https://youtu.be/V0QkCbp_f1c |
| Raid structure of disk, Raid level 0 to 6. | 40. https://youtu.be/uag1k3yvgQY |
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