Operating System – File Systems Online Test

This online test section contains the next top best multiple-choice type questions answers (MCQs) based on Operating System related to File Systems. This online Quiz / Practice Test is suitable for various exams conducted by various educational organizations. These Objective questions have been selected from previous years question papers of various competitive exams.

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📌 Question Type Questions remain the same unless test is updated

📊 Total Questions 25

⏳ Time Limit 20 Minutes

🏆 Points 1 Point for each Question

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Question 1 of 25

Q-1. A special virtual directory is available on Linux operating systems only after the machine’s power is switched ON and system has booted. This directory is not available on hard disk of the system (i.e. file system/ disk). This directory is

/sys

/proc

/usr

/etc

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Question 2 of 25

Q-2. How can a distributed file system such as HDFS provide opportunities for the optimization of a MapReduce operation?

Data represented in a distributed file system is already sorted.

Distributed file system must always be resident in memory, which is much faster then disk.

Data storage and processing can be co-located on the same node, so that most input data relevant to Map or Reduce will be present on local disks or cache.

A distributed file system makes random access faster because of the presence of a dedicated node serving file metadata.

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Question 3 of 25

Q-3. What is the primary purpose of a file system in an operating system?

To manage I/O devices

To allocate CPU time to processes

To provide a hierarchical organization for storing and accessing files

To control process scheduling

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Question 4 of 25

Q-4. Which of the following is not a common file system type in operating systems?

NTFS

FAT32

ZIP

ext4

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Question 5 of 25

Q-5. What is a file extension used for in file systems?

To identify the file type

To specify the file's location on disk

To store metadata about the file

To compress the file

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Question 6 of 25

Q-6. Which file system is commonly used in Windows operating systems?

ext4

NTFS

HFS+

ext3

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Question 7 of 25

Q-7. Which file system is commonly used in Linux operating systems?

NTFS

FAT32

ext4

exFAT

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Question 8 of 25

Q-8. What is the purpose of a directory entry in a file system?

To store the file's contents

To provide access to the file's data

To store metadata about the file, such as its name and location

To encrypt the file

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Question 9 of 25

Q-9. Which file system feature allows multiple files to share the same physical storage blocks to save space?

File compression

File encryption

File linking

File fragmentation

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Question 10 of 25

Q-10. In a hierarchical file system, what is the root directory?

The directory containing user files

The directory containing system files

The top-level directory that contains all other directories and files

The directory used for temporary storage

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Question 11 of 25

Q-11. What is the purpose of a file descriptor in file systems?

To store the file's contents

To store metadata about the file

To uniquely identify an open file in the operating system

To encrypt the file

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Question 12 of 25

Q-12. Which file system component is responsible for translating file names into physical storage addresses on disk?

File descriptor

File system driver

File allocation table

Directory entry

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Question 13 of 25

Q-13. What is the purpose of a file allocation table (FAT) in file systems like FAT32?

To store the file's contents

To store metadata about the file

To map file names to physical storage addresses on disk

To manage disk space allocation and track data clusters

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Question 14 of 25

Q-14. In Unix-based file systems, what is an inode used for?

To store the file's contents

To store metadata about the file

To map file names to physical storage addresses on disk

To manage disk space allocation and track data clusters

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Question 15 of 25

Q-15. Which file system type is commonly used for flash drives and memory cards due to its compatibility with both Windows and macOS?

NTFS

ext4

FAT32

HFS+

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Question 16 of 25

Q-16. What is the purpose of file system fragmentation?

To compress files to save space

To encrypt files for security

To organize files in a hierarchical structure

To optimize disk space usage by storing files in non-contiguous blocks

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Question 17 of 25

Q-17. Which file system feature allows files to be recovered after accidental deletion or corruption?

File linking

File compression

File encryption

File recovery

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Question 18 of 25

Q-18. In a Unix-based file system, how is the file type of an entry determined?

By the file's extension

By examining the first few bytes of the file's content

By checking the file's permissions

By examining the file's inode

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Question 19 of 25

Q-19. Which file system feature allows multiple users or processes to access a file simultaneously?

File encryption

File linking

File locking

File compression

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Question 20 of 25

Q-20. What is the purpose of journaling in a file system?

To compress files

To encrypt files

To recover file system metadata after a crash

To create hard links between files

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Question 21 of 25

Q-21. In the context of file systems, what is a symbolic link (symlink)?

A file that contains a copy of another file's content

A file that points to another file or directory

A compressed file

An encrypted file

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Question 22 of 25

Q-22. What is the purpose of file permissions in a file system?

To specify the file's location on disk

To determine who can access, modify, or execute the file

To store metadata about the file

To compress the file

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Question 23 of 25

Q-23. Which file system type is commonly used in macOS?

NTFS

ext4

FAT32

HFS+

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Question 24 of 25

Q-24. In a Unix-based file system, what does the execute permission allow for a file?

Viewing the file's contents

Modifying the file's content

Running the file as a program or script

Copying the file to another location

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Question 25 of 25

Q-25. What is the purpose of the MBR (Master Boot Record) in file systems?

To store file metadata

To manage disk space allocation

To store the file's contents

To boot the operating system

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Operating System – File Systems Online Test

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