DEBUG是DOS中的一个外部命令，从DOS 1.0起就带有此命令，因此可见此命令的重要性了。虽然此命令的功能非常强大，可以解决许多问题，可是对许多人来说，尤其是初学者来说，却非常不易掌握。因此，现将DEBUG的命令详细介绍一番，以让大家知道它的使用。

-DOS DEBUG is one of the external command, starting from DOS 1.0 on with this order, Hence the importance of this order of. Although this order is very powerful, can solve many problems, but for many people, especially beginners, very hard to grasp. Therefore, I have ordered the DEBUG detailed introduced him to let everyone know that its use.