Operating Systems Specialist MCQs 

By: Prof. Dr. Fazal Rehman | Last updated: May 30, 2025

1. : We can skip some initial bytes from both the files to be compared by using ______
(A) -b option
(B) -i option
(C) -l option
(D) -n option

2. : For displaying the differences between files, what command do we use?
(A) comm
(B) cmp
(C) diff
(D) differ

3. : For producing multi-columnar output in diff command, what option do we use?
(A) -s
(B) -v
(C) -y
(D) -e

4. : What command can we use if we are interested in knowing whether the two files are identical or not?
(A) cmp
(B) diff
(C) comm
(D) differ

5. : If we want to suppress column 1 and column 2 in the output of comm command, what command will we use?
(A) comm -1,-2
(B) comm -1-2
(C) comm -3
(D) comm -12

6. : What will be the output of diff command when two files are identical?
(A) Returns prompt
(B) Files are identical
(C) No output
(D) Throws an error

7. : For comparing two files, what command do we use?
(A) diff
(B) comp
(C) cmp
(D) comm

8. : If both the files are identical, the exit status of cmp command is ______
(A) 1
(B) 0
(C) 2
(D) Undefined

9. : For displaying a detailed list of mismatches, which option do we use with cmp command?
(A) -l
(B) -b
(C) -f
(D) -a

10. : Two sorted files line by line are compared by ______
(A) cmp
(B) comm
(C) diff
(D) sort

11. : For limiting the number of bytes to be compared, which option do we use with cmp command?
(A) -f
(B) -l
(C) -n
(D) -b