003.03.93.Interview-Questions-Process-Duplication

20. Efficient Process Creation
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20. Efficient Process CreationHow do the kernel mechanisms for managing address space during `fork()` contribute to efficient process creation? Discuss the roles of `mm_struct`, `vm_area_struct`, `du…
19. Memory Segment Attributes and Behavior
0★ 2B 3E Most recent by gaurav133232June 2024003.03.93.Interview-Questions-Process-Duplication

19. Memory Segment Attributes and BehaviorCompare the attributes and behaviors of the text, data, heap, and stack segments during the `fork()` system call. Why are these segments handled differently?
18. Page Fault Handling for Copy-on-Write
0★ 2B 3E Most recent by gaurav133232June 2024003.03.93.Interview-Questions-Process-Duplication

18. Page Fault Handling for Copy-on-WriteWhat happens when a process attempts to write to a shared page marked as read-only during the `fork()` operation? Describe the role of the `handle_pte_fault` …
17. Function `dup_mmap` in Copying Address Space
0★ 2B 3E Most recent by gaurav133232June 2024003.03.93.Interview-Questions-Process-Duplication

17. Function `dup_mmap` in Copying Address SpaceExplain the purpose of the `dup_mmap` function in the `fork()` system call. How does it contribute to copying the parent’s address space to the child?
16. Virtual Memory Area (`vm_area_struct`)
0★ 2B 4E Most recent by gaurav133232June 2024003.03.93.Interview-Questions-Process-Duplication

16. Virtual Memory Area (`vm_area_struct`)Describe the `vm_area_struct` and its significance in the context of the `fork()` system call. What key information does it contain?
15. Role of `mm_struct` in Address Space Management
0★ 2B 6E Most recent by gaurav133232June 2024003.03.93.Interview-Questions-Process-Duplication

15. Role of `mm_struct` in Address Space ManagementWhat is the `mm_struct` and what role does it play in managing a process's address space during the `fork()` system call?
14. Stack Segment Duplication
0★ 2B 7E Most recent by gaurav133232June 2024003.03.93.Interview-Questions-Process-Duplication

14. Stack Segment DuplicationWhat steps does the kernel take to ensure that each process has its own independent stack segment after a `fork()` system call?
13. Heap Segment Copy-on-Write Mechanism
0★ 2B 6E Most recent by gaurav133232June 2024003.03.93.Interview-Questions-Process-Duplication

13. Heap Segment Copy-on-Write MechanismHow does the kernel handle the heap segment during the `fork()` system call? Explain the role of copy-on-write in managing the heap segment.
12. Data Segment and Copy-on-Write
0★ 2B 3E Most recent by gaurav133232June 2024003.03.93.Interview-Questions-Process-Duplication

12. Data Segment and Copy-on-WriteDescribe the behavior of the data segment during `fork()`. How does the copy-on-write mechanism work for this segment?
11. Text Segment Sharing
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11. Text Segment SharingExplain how the text segment is handled during the `fork()` system call. Why is it shared between the parent and child processes?
10. Returning to User Space
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10. Returning to User SpaceWhat steps does the kernel take to return control to user space after the `fork()` system call? What are the return values for the parent and child processes?
9. Adding Child Process to Scheduler’s Run Queue
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9. Adding Child Process to Scheduler’s Run QueueDescribe the process of adding the newly created child process to the scheduler’s run queue. What role does the scheduler play in process execution?
8. Assigning Unique PID
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8. Assigning Unique PIDHow does the kernel assign a unique PID to the child process during `fork()`? Describe the function responsible for this task.
7. Copy-on-Write Mechanism Setup
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7. Copy-on-Write Mechanism SetupExplain how the copy-on-write mechanism is set up during the `fork()` system call. Why is this mechanism important for process efficiency?
6. Copying Parent’s Context
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6. Copying Parent’s ContextDetail the steps involved in copying the parent’s process context to the child process during the `fork()` system call.
5. Allocating Process Control Block (PCB)
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5. Allocating Process Control Block (PCB)How does the kernel allocate a new `task_struct` for the child process during `fork()`? What information is contained in the `task_struct`?
4. Kernel Function Execution: `do_fork()`
0★ 2B 5E Most recent by gaurav133232June 2024003.03.93.Interview-Questions-Process-Duplication

4. Kernel Function Execution: `do_fork()`What is the purpose of the `do_fork()` function in the kernel, and what key tasks does it perform during process creation?
3. System Call Handler Role
0★ 2B 2E Most recent by gaurav133232June 2024003.03.93.Interview-Questions-Process-Duplication

3. System Call Handler RoleDescribe the role of the system call handler in the `fork()` system call. How does it interact with the system call table?
2. System Call Invocation
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2. System Call InvocationWhat happens during the system call invocation phase when `fork()` is called? Which specific CPU instruction is typically used for this transition?
1. User Space to Kernel Space Transition
0★ 2B 6E Most recent by gaurav133232June 2024003.03.93.Interview-Questions-Process-Duplication

1. User Space to Kernel Space TransitionExplain the transition from user space to kernel space when a process calls `fork()`. Why is this transition necessary?

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