LDD-LinuxDeviceDrivers/study/proc/create_proc_entry

http://blog.sina.com.cn/s/blog_8795b0970101ij5d.html 写入proc文件 echo "Hello from kernel" /proc/proc_test/hello' 读取proc文件内容，将看到屏幕上显示了我们写入的字符串:Hello from kernel cat /proc/proc_test/hello

http://blog.csdn.net/a_ran/article/details/37630101