Explore topic-wise MCQs in Computer Science.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Computer Science knowledge and support exam preparation. Choose a topic below to get started.

1.

Which command is used with file named 'note' to remove the executable permission from the user and assign read permission to the group and others?%!

A. chmod u-x, go+r note
B. chmod go+r, u+x note
C. chmod g-x, uo+r note
D. chmod go+x, u-x note
E. None of the above
Answer» B. chmod go+r, u+x note
2.

Which of the following commands is used to display the filenames in multiple columns?%!

A. ls
B. ls -1
C. ls -x
D. lc
E. None of the above
Answer» D. lc
3.

Which of are following internal commands is used in mail to forward mail to user in user-list?%!

A. r user-list
B. m user-list
C. d user-list
D. e user-list
E. None of the above
Answer» C. d user-list
4.

Major expressions used with find command to select file is it has been accessed in more than 375 days, is%!

A. #NAME?
B. #NAME?
C. #NAME?
D. #NAME?
E. None of the above
Answer» B. #NAME?
5.

The UNIX file system stores a date in physical blocks of

A. 1024 bytes
B. 2048 bytes
C. 512 bytes
D. 256 bytes
E. None of the above
Answer» D. 256 bytes