After activation, this adds two option to user profiles, only visible to administrators:
- Login as this user
- Force logout
The first allows the administrator to effectively login to the account without the user's password. Everything behaves normally in this login state. The only difference is that logging out will return the administrator back to their original account.
(note, please don't use this to log into another administrator's account, and then log into some other account from there, though I haven't tried what happens if you do this)
The second option just forces the user to log out if they have logged in somewhere.
Alternative version:
Login As by burnacid