DOS

This is the root object from which all other objects in this package are derived. This class is never directly instantiated (and hence it is abstract).

网络方面关于ip的得到与获取方面的代码，哈哈哈 -ip on the network and get access to the area code, Ha Ha Ha

说明：  VB语言写的按键追踪控件及应用，含有调用源码。(The key tracking control written in VB language and its application contain calling source code.)

386保护模式简介 (Introduction for 386 guard mode)

ITK的软件安装以及使用说明书，叫你入门以及提高(ITK software installation and use instructions, ask your entry and to improve)

FTP站点扫描器-FTP site scanners

自己编写的类似画图软件的vc++程序，可以实现铅笔画线、画圆、椭圆等基本画图功能，还有颜色选项(I have written similar vc++ drawing software program, you can achieve a pencil drawing a line, circle, ellipse and other basic drawing functions, as well as color options)

VB制作二维码图像 VB制作二维码图像(Produce two-dimensional code)

学习rootkit很有用的资料，对于在windows下学习rootkit很有帮助(Learning rootkit useful information, for learning in the windows rootkit helpful)

LLC的主电路图，方便电力电子专业的学习，考虑了两个谐振点(block diagram of LLC)