如何透明地使用GNU Screen

I want to use GNU screen in such a way that the user doesn't know it's there. It's to help ensure that a text based management application that I'm writing can only be used by a single user at a time. To guard against against users locking everyone else out by running the application and going, leaving it running when going on holiday, I want to be able to detach their session and allow another user to attach to it.I want to use GNU screen in such a way that the