tied

bound or secured closely

the guard was found trussed up with his arms and legs securely tied

bound together by or as if by a strong rope; especially as by a bond of affection

people tied by blood or marriage

fasten or secure with a rope, string, or cord

They tied their victim to the chair

finish a game with an equal number of points, goals, etc.

The teams drew a tie

limit or restrict to

I am tied to UNIX