Question

User’s environment mode created using su – is terminated using ____

(a) ctrl-v

(b) ctrl-q

(c) ctrl-d

(d) ctrl-f

I had been asked this question during a job interview.

I want to ask this question from Administrator Specific Commands and Privileges in division Essential Shell Programming of Unix

Answer 1

Right choice is (c) ctrl-d

To explain I would say: The administrator can create a simulated environment using su – for any user. This mode runs a separate sub-shell and is terminated using ctrl-d or exit.