Question

What is the output of who command?

(a) display information about users who are currently logged in.

(b) display file hierarchy

(c) display administrator information

(d) display processes

I have been asked this question by my school teacher while I was bunking the class.

I would like to ask this question from Commands in division The Unix Architecture & General Purpose Utilities of Unix

Answer 1

The correct answer is (a) display information about users who are currently logged in.

To explain: who command output the details of the users who are currently logged in to the system. The output includes username, terminal name (on which they are logged in), date and time of their login etc.