linux下用户程序同内核通信实例，主要的目的是用netlink机制实现用户程序和内核的通信。 具体就是用户程序执行./netlink -S [我是参数] 或./netlink -G 时，内核会返回 S know you! 和“I know you!” 这两种字符串， 然后输出。 内核和用户程序均加有打印-Under Linux user program with the kernel communication as an example, the main purpose is to use netlink communication mechanism for user program and the kernel. Concrete is user program execution./netlink-s] [I am a parameter or./netlink- G, the kernel returns　S know you!　And I know you!　The two strings, and then output. The kernel and user program with print