Linux内核是一个整体是结构，因此向内核添加任何东西，或者删除某些功能，都十分困难。为了解决这个问题引入了内核机制。从而可以动态的想内核中添加或者删除模块。-Linux is a kernel of the whole structure, it added to the kernel anything, or delete certain functions are very difficult. To solve this pro