Usually the password is different, yes. If you're unfamiliar with Linux system administration you might ask for more specific help. Root is the administrative account that lets you add and delete user accounts, access all the system's files, and that sort of thing. Ultimately though, it's like the joke about how many psychiatrists it takes to change a light bulb (just one, but the light bulb has to want to change). If you want to break through your time limiting software, you will find a way to do so. So you have to be willing to go along with it.