Operating System MCQs with Answers
Practice important Operating System MCQs with answers and explanations.
Multiple Choice Questions
Q1171: In UNIX, a hard link to a file cannot be created for a _______ directory.
- A: System
- B: Root
- C: Shared
- D: Directory
View Answer
D
Q1172: UNIX file systems use _______ to prevent cycles in a general graph directory.
- A: Soft links
- B: Hard links
- C: Cycle detection
- D: Backpointers
View Answer
C
Q1173: A shared file in an acyclic-graph directory is _______ in two different directories.
- A: Duplicated
- B: Different
- C: Same
- D: Redundant
View Answer
C
Q1174: In UNIX, _______ file types are created when a soft link is established.
- A: Regular
- B: Link
- C: Hidden
- D: Symbolic
View Answer
B
Q1175: A file can be deleted in UNIX when its _______ count reaches 0.
- A: Reference
- B: Link
- C: Access
- D: Modification
View Answer
A
Q1176: When mounting in UNIX, the dir refers to the _______ where the file system will be attached.
- A: Device
- B: Mount point
- C: File
- D: Directory
View Answer
B
Q1177: A file system's root is represented by the directory _______ in UNIX.
- A: /dev
- B: /
- C: /etc
- D: /root
View Answer
B
Q1178: The df command in UNIX is used to display _______ usage.
- A: Disk space
- B: Memory
- C: CPU
- D: Network
View Answer
A
Q1179: A _______ is a directory entry in UNIX that points to another file or subdirectory.
- A: File
- B: Link
- C: Symbol
- D: Pointer
View Answer
B
Q1180: UNIX supports _______ types of links.
- A: 1
- B: 2
- C: 3
- D: 4
View Answer
B