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📝 Virtual File Systems in File System Implementation

📖 From Operating System • 12. File System Implementation • 18 questions available

Practice MCQs for Virtual File Systems in File System Implementation. 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. A system administrator is preparing a new bootable partition on a disk. Which block must be correctly initialized first to allow the system to locate the operating system during power‑on?

🔹 A. Boot control block

🔹 B. Volume control block

🔹 C. Directory structure

🔹 D. Per‑file FCB

💡 Difficulty: easy | ✅ Correct: A

Q2. A file system reports 10 000 total blocks and a free‑block count of 2 500. After allocating a new file that requires 120 blocks, what will the free‑block count be?

🔹 A. 2 380

🔹 B. 2 380?

🔹 C. 2 380 (incorrect)

🔹 D. 2 380 (same)

💡 Difficulty: medium | ✅ Correct: A

Q3. A file system uses a linked list of free‑block pointers. To allocate three consecutive blocks for a new file, which sequence of actions is correct?

🔹 A. Read the head pointer, allocate the first block, update the head to the second block, repeat twice more

🔹 B. Allocate three blocks at random, then reorder them

🔹 C. Skip the free‑block list and write directly to disk

🔹 D. Allocate only one block and reuse it three times

💡 Difficulty: hard | ✅ Correct: A

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🔗 Related Topics

📝 File System Structure in operating system 📝 Overview of File System Implementation in Operating System 📝 Partitions and mounting in File System Implementation 📝 Linear list Implementation in Directory 📝 Hash table Implementation in Directory

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