linux下的多线程下载工具，代码简单精简，比学习发杂庞大的工具来的好些。-linux under the multi-threaded downloading tool, simple and concise code than fat miscellaneous huge learning tool to the better.

强大的国际象棋引擎，c++编程，支持LINUX和MAC,最多支持64线程。-Powerful chess engine, c++ programming, supports LINUX and MAC, supports up to 64 threads.