📝 Real time scheduling in The Linux System

📖 From Operating System • 18. The Linux System • 12 questions available

Practice MCQs for Real time scheduling in The Linux System. Test your knowledge with carefully crafted questions across easy, medium, and hard difficulty levels.

🔄 Last updated: 2026-07-27

Easy Questions

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📝 Sample Questions

Q1. What does the CLONE_VM flag cause when passed to the clone() system call?

🔹 A. The child receives a copy of the parent's virtual memory

🔹 B. The child shares the same virtual memory as the parent

🔹 C. The child gets a separate address space but same file descriptors

🔹 D. The child inherits the parent's signal handlers

💡 Difficulty: easy | ✅ Correct: B

Q2. A developer wants a thread that shares memory with its parent but keeps a private set of open files. Which combination of clone() flags should be used?

🔹 A. CLONE_VM | CLONE_FILES

🔹 B. CLONE_VM | CLONE_FS

🔹 C. CLONE_VM

🔹 D. CLONE_VM | CLONE_SIGHAND

💡 Difficulty: medium | ✅ Correct: C

Q3. What is the effect of the CLONE_SIGHAND flag on inter‑task communication in a real‑time environment?

🔹 A. It isolates signal handling, preventing tasks from interfering with each other

🔹 B. It forces each task to have its own copy of signal handlers

🔹 C. It allows tasks to share a single signal‑handler table, enabling coordinated response to signals

🔹 D. It disables all signal handling for the child task

💡 Difficulty: hard | ✅ Correct: C

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🔗 Related Topics

📝 Linux History 📝 The Linux kernel 📝 The Linux system 📝 Linux distributions 📝 Linux licensing

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