window平台下实现tail 类似unix下的tail功能，实时跟踪显示文本文件的改变，常用于显示日志文件。-window platform to achieve similar unix tail under the tail function, real-time tracking shows the change text files, which are often used to show the log file.

基于icmp的路由追踪用C++实现其基本功能的实现。-Based the routing of ICMP tracking C++ to achieve the basic function of the realization.