https://www.emblogic.com/forum/categories/003-02-92-interview-questions-process-duplication/feed.rss Sun, 07 Jun 26 20:13:36 +0530 003.03.92.Interview-Questions-Process-Duplication - EmbLogic en-CA https://www.emblogic.com/forum/discussion/1487/20-returning-to-user-space Sun, 26 May 2024 20:22:12 +0530 pravjot 1487@/forum/discussions 20. Returning to User Space

What 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 processes?

]]> https://www.emblogic.com/forum/discussion/1486/19-scheduler039s-run-queue Sun, 26 May 2024 20:21:58 +0530 pravjot 1486@/forum/discussions 19. Scheduler's Run Queue

Describe how the newly created child process is added to the scheduler’s run queue and its significance in process management.

]]> https://www.emblogic.com/forum/discussion/1485/18-assigning-unique-pid Sun, 26 May 2024 20:21:42 +0530 pravjot 1485@/forum/discussions 18. Assigning Unique PID

How does the kernel assign a unique process identifier (PID) to the child process created by `fork()`?

]]> https://www.emblogic.com/forum/discussion/1484/17-copy-on-write-mechanism Sun, 26 May 2024 20:01:21 +0530 pravjot 1484@/forum/discussions 17. Copy-on-Write Mechanism

Explain the copy-on-write mechanism set up by the kernel during the `fork()` system call.

]]> https://www.emblogic.com/forum/discussion/1483/16-copying-parent039s-context Sun, 26 May 2024 20:01:08 +0530 pravjot 1483@/forum/discussions 16. Copying Parent's Context

How does the kernel copy the parent process’s context to the child process during a `fork()` system call?

]]> https://www.emblogic.com/forum/discussion/1482/15-kernel-data-structures-task-struct Sun, 26 May 2024 20:00:52 +0530 pravjot 1482@/forum/discussions 15. Kernel Data Structures: Task Struct

What is a `task_struct` in the context of the `fork()` system call, and what key information does it contain?

]]> https://www.emblogic.com/forum/discussion/1481/14-kernel-function-execution Sun, 26 May 2024 19:44:57 +0530 pravjot 1481@/forum/discussions 14. Kernel Function Execution

What is the purpose of the `sys_fork()` and `do_fork()` functions in the kernel, and what parameters do they handle?

]]> https://www.emblogic.com/forum/discussion/1480/13-system-call-handler Sun, 26 May 2024 19:44:43 +0530 pravjot 1480@/forum/discussions 13. System Call Handler

What role does the system call handler play in the `fork()` system call, and how does it interact with the system call table?

]]> https://www.emblogic.com/forum/discussion/1479/12-system-call-interface-and-mode-switching Sun, 26 May 2024 19:44:28 +0530 pravjot 1479@/forum/discussions 12. System Call Interface and Mode Switching

Describe the process and importance of switching from user mode to kernel mode when a parent process calls `fork()`.

]]> https://www.emblogic.com/forum/discussion/1478/11-understanding-the-fork-system-call Sun, 26 May 2024 18:15:06 +0530 pravjot 1478@/forum/discussions 11. Understanding the `fork()` System Call

Explain the `fork()` system call and its significance in Unix-like operating systems.

]]> https://www.emblogic.com/forum/discussion/1477/10-example-of-a-fork-implementation Sun, 26 May 2024 18:14:52 +0530 pravjot 1477@/forum/discussions 10. Example of a `fork()` implementation

Can you provide a detailed example of a `fork()` implementation, explaining the code and its output?

]]> https://www.emblogic.com/forum/discussion/1476/9-fork-in-a-multithreaded-environment Sun, 26 May 2024 18:14:29 +0530 pravjot 1476@/forum/discussions 9. `fork()` in a multithreaded environment

How does `fork()` behave in a multithreaded environment, and what are the recommended practices to avoid issues?

]]> https://www.emblogic.com/forum/discussion/1475/8-common-errors-from-fork Sun, 26 May 2024 16:24:09 +0530 pravjot 1475@/forum/discussions 8. Common errors from fork()

What are some common errors that can occur during the `fork()` system call, and how should they be handled?

]]> https://www.emblogic.com/forum/discussion/1474/7-handling-file-descriptors Sun, 26 May 2024 16:23:53 +0530 pravjot 1474@/forum/discussions 7. Handling file descriptors

Explain how file descriptors are handled when a new process is created using `fork()`.

]]> https://www.emblogic.com/forum/discussion/1473/6-process-states-in-linux Sun, 26 May 2024 16:23:37 +0530 pravjot 1473@/forum/discussions 6. Process states in Linux

What are the different process states in Linux, and how does the scheduler use these states in process management?

]]> https://www.emblogic.com/forum/discussion/1472/5-copy-on-write-mechanism Sun, 26 May 2024 16:03:29 +0530 pravjot 1472@/forum/discussions 5. Copy-on-write mechanism

How does the copy-on-write (COW) mechanism work in the context of `fork()`?

]]> https://www.emblogic.com/forum/discussion/1471/4-what-is-the-task_struct Sun, 26 May 2024 16:03:14 +0530 pravjot 1471@/forum/discussions 4. What is the `task_struct`

What is the `task_struct` in the context of `fork()` and what key information does it contain?

]]> https://www.emblogic.com/forum/discussion/1470/3-steps-in-creating-child-process Sun, 26 May 2024 16:02:55 +0530 pravjot 1470@/forum/discussions 3. Steps in creating child process

Describe the steps involved in creating a child process using `fork()`.

]]> https://www.emblogic.com/forum/discussion/1469/2-return-value-of-fork Sun, 26 May 2024 16:01:53 +0530 pravjot 1469@/forum/discussions 2. Return Value of fork()

Explain the return values of `fork()` for both the parent and the child process.

]]> https://www.emblogic.com/forum/discussion/1468/1-what-is-fork Sun, 26 May 2024 16:01:28 +0530 pravjot 1468@/forum/discussions 1. What is fork()

What is the `fork()` system call and why is it fundamental in Unix-like operating systems?

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