Peter works as a System Administrator for TechSoft Inc. The company uses Linux-based systems.
Peter’s manager suspects that someone is trying to log in to his computer in his absence. Which
of the following commands will Peter run to show the last unsuccessful login attempts, as well as
the users who have last logged in to the manager’s system?
Each correct answer represents a complete solution. Choose two.

A.
rwho -a

B.
lastb

C.
last

D.
pwd

Explanation: