Question

To assign execute permission to the user (owner) for a file named file01.txt, which of the following command will be used?

(a) chmod u+r file01.txt

(b) chmod u+w file01.txt

(c) chmod  u-x file01.txt

(d) chmod u+x file01.txt

I got this question during an interview.

I'm obligated to ask this question of Changing File Ownership and Permissions topic in section Basic File Attributes of Unix

Answer 1

Right choice is (d) chmod u+x file01.txt

The explanation is: To assign execute permission to the user, above command is stated as follows: