You logged in as user tuxl, but now you want to switch users to tux2 with tux2’s environment. How
would you do this?

A.
su tux2

B.
su-etux2

C.
su – tux2

D.
su -m tux2

E.
su-ftux2

Explanation:
su means switch user. To switch from one user to another user with another user’s environment
and home directory use – option. Here switching to tux2, then su – tux2 is answer.