📝 Passing of data among processes in The Linux System

📖 From Operating System • 18. The Linux System • 8 questions available

Practice MCQs for Passing of data among processes in The Linux System. Test your knowledge with carefully crafted questions across easy, medium, and hard difficulty levels.

🔄 Last updated: 2026-07-27

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📝 Sample Questions

Q1. What is the primary characteristic of a Unix signal in interprocess communication?

🔹 A. It carries arbitrary data between processes

🔹 B. It only indicates that an event has occurred without carrying data

🔹 C. It synchronizes access to shared memory

🔹 D. It establishes a persistent communication channel

💡 Difficulty: easy | ✅ Correct: B

Q2. Why does the Linux kernel avoid using signals to notify kernel‑mode processes about events?

🔹 A. Signals are too slow for kernel operations

🔹 B. Signals cannot be delivered to processes in kernel mode

🔹 C. Kernel‑mode processes rely on wait queues and scheduling states for event notification

🔹 D. Signals are only for user‑space debugging

💡 Difficulty: medium | ✅ Correct: C

Q3. Three processes issue read requests for the same file on disk. After the I/O completes, which statement accurately reflects how the kernel wakes the waiting processes?

🔹 A. Only the first process on the wait queue is awakened

🔹 B. All processes on the wait queue are awakened simultaneously

🔹 C. The kernel selects a random process to wake

🔹 D. Processes must poll the disk repeatedly until data arrives

💡 Difficulty: hard | ✅ Correct: B

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🔗 Related Topics

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

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