Logged

I shouldn't have logged off.

You are not logged in.

The most experienced pilots have logged many thousands of hours in the cockpit.

You logged on?

I would have logged in to Skype if my computer had not gotten unresponsive.

I always forget that I already logged in.

Lt. Colonel Collins has logged over 5,000 flight hours in 30 different types of aircraft.

Tom logged in.

Tom was suddenly logged out of Tatoeba.

Tom logged onto his Facebook account.