unix下模仿ping功能，测试网络环境下网络主机连接情况

4．了解和掌握Linux系统支持的消息通信机制、共享存储区机制。. (1) 消息的创建、发送和接收： 使用系统调用msgget( )、msgsed( )、msgrev及msgcrl( )，编写消息的发送和接收程序（消息长度为1KB）； (2) 共享存储区的创建、附接和断接： 使用系统调用shmget( )、shmat( )、shmcrl( )，编写一个与上述功能相同的程序。-4. Understanding and support Linux messaging mechanism, shared memory mechanism. . (1) the creation of news, send and receive : the use of system calls msgget (), msgsed (), and msgrev msgcrl (), the preparation of the sender and receiver (news length of the 1KB); (2) shared storage area creation, and attached disconnect : use of system calls shmget (), shmat (), shmcrl (), a preparation of the above functions with the same procedure.

一个小的qt3程序，可以帮助初学者的理解，主要是体现控件的应用等-Qt3 a small program that can help beginners to understand, mainly reflect the application of control

qtmake 文件的代码，生成Makefile文件用 -qtmake document code, documents generated Makefile

金融加密机SJL06型集成API，得到生产每天5000万笔交易验证，请放心使用。-Financial encryption machine SJL06 type integrated API, to be producing 50 million transactions per day verification, please rest assured to use.

mini_httpd is a small HTTP server. Its performance is not great, but for low or medium traffic sites it s quite adequate. It implements all the basic features of an HTTP server, including: GET, HEAD, and POST methods. CGI. Basic authentication. Security against ".." filename snooping. The common MIME types. Trailing-slash redirection. index.html, index.htm, index.cgi Directory listings. Multihoming / virtual hosting. Standard logging. Custom error pages.-mini_httpd is a small HTTP server. Its performance is not great, but for low or medium traffic sites it s quite adequate. It implements all the basic features of an HTTP server, including: GET, HEAD, and POST methods. CGI. Basic authentication. Security against ".." filename snooping. The common MIME types. Trailing-slash redirection. index.html, index.htm, index.cgi Directory listings. Multihoming/virtual hosting. Standard logging. Custom error pages.

对象流化成标记语言的编程库,支持各种语言.生成对象适合人类阅读.-Object flow into the markup language programming library to support various languages. Generates an object suitable for human reading.

用户认证及计费系统的网络驱动库，在SUN soloris上编译通过。-user authentication and billing system for the Network Driver in the Sun soloris compiled through.

Pthreads是Intel开发的Linux下的多线程编译工具，能最大发挥Intel最新多核CPU的性能，这里给出一些实验例程以及优化方法。-Pthreads Linux is developed under the Intel multi-threading compiler tool to maximize the latest Intel multi-core CPU performance, here are some experimental routines as well as the optimization method.

linux dbus at linux run destkop

WINDOWS下面用VC++演示MICROWINDOWS98. 里面赋有挖雷游戏.-WINDOWS using the following VC++ Demo MICROWINDOWS98. Have dug inside Fu Lei game.