四个网络协议在linux下的模拟实现，比如滑动窗口协议，可用来研究协议的性能-four network protocol in the linux Simulation, such as sliding window protocols, could be used to study the performance agreement

邮件收发 完整的邮件发送邮件源代码，但不可发送附件-mail integrity of the mail source code to send an email, but not send attachments

在Linux下使用socket方式开发的FTP程序，可以事项GET PUT功能，是学习socket和ftp编程的入门代码。-Socket in Linux to use the FTP program to develop, you can GET PUT function matters, and ftp to learn socket programming code entry.

这个文件包括wimax中所有的编解码源代码，包括RS码，turbo码等等！

这是一个实现BGP路由协议的软件学习方式，是一个很好的教学用油源

利用HyfaFax传真的传输协议(与FTP协议相似),编写发送传真到目的传真服务器的客户代码!-Use HyfaFax fax Transfer Protocol (FTP protocol and similar), to prepare to send a fax to the destination fax server client code!

UNIX环境下命令行FTP/SFTP工具源代码，使用方便，支持书签-UNIX environment command line FTP/SFTP tools for source code, easy to use, supports bookmarks

ＰＩＮＧ程序源码有记录路由功能,这个程序解析了PING功能实际的处理实现，大家剖析了他，也就对icmp协议有了更深的了解。-PING record procedures source routing functions, the analytical procedures PING function of the actual handling realized, we analyze him, right icmp agreement also gained a deeper understanding.

LINUX, ENVOI-RECEPTION-FICHIERS-CLIENT-SERVEUR-DEV-CPLUSPLUS

UNIX操作系统大多安装在网络服务器上，为了避免维护人员不在时无关人员对服务器进行误操作，我用C语言编写了一个小程序实现了屏幕锁的功能，该程序在AT&T UNIX 4.0和SCO UNIX 5.0上均运行通过-UNIX operating systems are often installed on a network server, to avoid maintenance personnel unrelated to the absence of staff on the server errors, I use the C language of a small program to achieve a screen lock function, the procedures in ATT UNIX 4.0 and 5.0 on SCO UNIX are shipped pass