Separation of the Systems Between Double Hard Disks for Safety on Public Computers

Computer has already been a necessary and important device in people's study and work.But many people have to share computers with others because of the reality.There are a lot of danger while people editing important files or putting in important information.This paper offers an effective and workable method to help people obtain a wholly personal system on a public computer that the systems of double hard disks are separated.The method also can be used in military and correspondence field in which under urgency the computers can enter their ready operation system.