Udev 基本工作原理 http://www.west263.com/info/html/wangzhanyunying/jianzhanjingyan/20080417/67732_2.html LinuxSmartphone http://blog.chinaunix.net/u2/66024/article_92068.html udev http://blog.163.com/linuxs1/blog/static/16953426200932314844353/