shell下的俄罗斯方块程序。仅供参考，学习。-Tetris shell under the program. For reference and learning.

这是一个免费开源的远程控制软件，源码仅供学习参考，请勿用于非法用途.-This is a free open-source remote control software, source code to study for reference purposes only, please do not used for illegal purposes.

一个小的批处理文件，可以将指定文件中某一个指定字符串全部替换成新的字符串，仅供学习。-You can specify a file and a string which you want to edit,then input a new string to replace the old string.