Question

For creating and removing directories, which of the following system calls are used?

(a) mkdir

(b) rmdir

(c) chdir

(d) mkdir and rmdir

This question was addressed to me in a job interview.

My enquiry is from File handling System Calls topic in division System Programming I – Files of Unix

Answer 1

Correct answer is (d) mkdir and rmdir

The explanation: A non privileged user uses mkdir and rmdir calls for creating and removing directories respectively.