花开绿叶明

http://club.it.sohu.com/r-os-241058-0-0-900.html 操作系统
http://club.it.sohu.com/r-software-243506-0-0-900.html 软件工具
http://club.it.sohu.com/r-it-1265507-0-0-900.html 大话IT
http://club.it.sohu.com/r-beginner-1202994-0-0-900.html 菜鸟交流