很好的Linux国外书籍，值得一看，初学者更实用的

《C++ GUI QT 3编程》 ISBN/ISSN：7-81077-731-9 北京航空航天大学出版社 2006 本书详细讲述了用Qt进行图形交互界面编程的各个部分。主要内容包括：入门、创建对话框、布局管理、事件处理、二维和三维图像等。 (加)JASMIN BLANCHETTE，(英)MARK SUMMERFIELD著 =====本书是使用QT3进行跨平台GUI程序开发的最佳参考书,此为配套源代码 - C++ GUI QT 3 Programming ISBN/ISSN :7-81077-731-9 Beijing University of Aeronautics and Astronautics Press 2006 book to describe in detail the use of Qt graphical interface to the various parts of programming. The main contents include: Introduction, create dialog, layout management, event handling, two-dimensional and three-dimensional images. (Plus) JASMIN BLANCHETTE, (British) MARK SUMMERFIELD forward ===== Qt3 book is the use of cross-platform GUI development the best reference books, such as matching source code

linux下mysql调用，用开源项目组建自己的数据库-under mysql call, using open-source projects to form its own database

PPP协议的实现演示-the PPP demo

Linux网络编程的电子书，对于学习linux socekt有帮助。-Linux Network Programming e-book, for learning linux socekt helpful.

Linux下实现的socket通信， 建有客户端和服务器端 简单适合初学习使用-Linux under the socket communications, built client and server for the beginning of learning to use simple

用Ｃ语言编的邮件系统（毕业论文）-C language series of the mail system (Thesis)

linux,shell编程。讲解详细，包括awk,sed,tr等工具的使用。对于初学者而言，非常有帮助。-linux, shell programming. Explain in detail, including awk, sed, tr and other tools. For starters, very helpful.

ｇｎｕ的ｍａｋｅ命令的所有中文说明，叫你如何正确使用ｍａｋｅ命令来实现编译。-gnu" s make command all Chinese instructions tell you how to correctly use the make command to achieve the compilation.

IPcop软路由防火墙 FREE 开源源代码-FREE soft IPcop firewall to open stream routing code

写一个脚本文件checkuser,该脚本运行时带一个用户名作为参数，具体要求如下： 1)如果命令行格式不符合要求，应有错误提示信息； 2)在/etc/passwd文件中查找是否有该用户， 如有，则输出“Found in the /etc/passwd file.” 否则，输出“No such on our system” -Write a script file checkuser, the script run-time with a user name as a parameter, and specific requirements are as follows: 1) If the command-line format does not meet the requirements, there should be error message 2) in/etc/passwd file to check if there were any users, and if so, then the output " Found in the/etc/passwd file. " Otherwise, output" No such on our system "