20. Returning to User SpaceWhat steps does the kernel take to return control to user space after creating a child process using `fork()`, and what are the return values for the parent and child proce…
19. Scheduler's Run QueueDescribe how the newly created child process is added to the scheduler’s run queue and its significance in process management.
12. System Call Interface and Mode SwitchingDescribe the process and importance of switching from user mode to kernel mode when a parent process calls `fork()`.
9. `fork()` in a multithreaded environmentHow does `fork()` behave in a multithreaded environment, and what are the recommended practices to avoid issues?