Briefly explain any two benefits of using APIs instead of actual systems calls for application programming.

Describe the OS mechanism for process management, timing, memory, I/O, file and concurrency management.

Do you think an operating system can work fine without process management functionality? Motivate your answer using process management activities.

Infer the impact of the interaction between programming design decisions and operating system features on the performance and robustness of the programs.

Describe the OS mechanism for process management, timing, memory, I/O, file and concurrency management.

What is meant by Inter-process communication? Lists two reasons for implementing inter-process communication systems.

Infer the impact of the interaction between programming design decisions and operating system features on the performance and robustness of the programs.

What is the basic difference between user-level threads and kernel-level threads? Under what circumstances is one type better than the other?