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[Udemy] Operating system concepts-1

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100% OFF Get Course

What you’ll learn

  • What’s an working system (OS)?
  • Fashionable OS functionalities.
  • Layered design of computing methods.
  • OS person interface.
  • What’s Safety in OS?
  • What are kernel and person modes? Why are they wanted?
  • What are system calls? Why are they wanted?
  • What are traps?
  • What’s an utility programming interface (API)?
  • How APIs invoke system calls?
  • How are system calls carried out?
  • How are parameters handed to system calls?
  • Life cycle of program creation
  • Reminiscence footprint of a program.
  • What’s a course of?
  • What’s multiprogramming and multitasking?
  • CPU Scheduler and course of scheduling.
  • What are the varied states {that a} course of goes by way of?
  • What’s a course of management block (PCB)?
  • When do processes relinquish CPU?
  • What’s a context change?
  • CPU scheduling fundamentals and efficiency metrics.

Requirements

  • No earlier information about working methods wanted. Every part you have to know in regards to the matters might be lined.

Description

Ace working methods (OS) ideas, system calls, OS safety, processes, CPU scheduling, CPU scheduling algorithms, interprocess communication questions in aggressive exams, job interviews, and OS course exams.

Are you aware: How OS protects itself from the person applications? How does OS shield person applications from one another? Why can person applications circuitously entry I/O gadgets? Why do programmers choose to make use of APIs over system calls in applications? How is the CPU shared between so many energetic processes? How does executing processes create new little one processes? How do cooperating processes talk? Be taught the reasons to those and plenty of extra intriguing questions on this course!

Particularly, the course will cowl the next intimately.

  1. What’s an working system (OS)?
  2. Fashionable OS functionalities.
  3. Layered design of computing methods.
  4. OS person interface.
  5. Safety in OS.
  6. Kernel mode and person mode.
  7. System calls.
  8. Traps.
  9. Software programming interface (API).
  10. How APIs invoke system calls?
  11. System name implementation.
  12. Parameter passing to system calls.
  13. Life cycle of program creation
  14. Reminiscence footprint of a program.
  15. What’s a course of?
  16. Multiprogramming and multitasking.
  17. CPU Scheduler and course of scheduling.
  18. Course of states.
  19. Course of management block (PCB).
  20. When do processes relinquish CPU?
  21. Context switching.
  22. CPU scheduling fundamentals and efficiency metrics.
  23. CPU-bound and IO-bound processes.
  24. When would CPU scheduler run?
  25. Turnaround time and ready time.
  26. FCFS scheduling.
  27. Shortest job first (SJF) scheduling.
  28. Nonpreemptive precedence scheduling.
  29. Hunger.
  30. Shortest remaining time first (SRTF) scheduling.
  31. Preemptive precedence scheduling.
  32. Spherical robin (RR) scheduling.
  33. Combining scheduling algorithms.
  34. Linux CPU scheduling algorithm.
  35. Applications with a number of processes.
  36. Creating a number of processes in Linux.
  37. Fork system name with illustrative examples.
  38. Interprocess communication (IPC).
  39. Shared reminiscence for IPC.
  40. Message passing for IPC.

Who this course is for:

  • Anybody eager about studying about working methods in trendy computer systems may benefit from this course.
  • Laptop science undergraduate college students taking an working methods course may benefit from the course.

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