What is "logged off"

Usage examples of "logged off".

He replaced the file and logged off the boards feeling as if he had just been hit in the back of the head with a board.

He replaced the file and logged off the boards feel- ing as if he had just been hit in the back of the head with aboard.

Francois logged off with a victorious flourish and spun around to exchange high-fives.

Her connection to the JSN had been logged off automatically, but the message from Juno, locally generated, still hovered in the workspace.