本程序可以使用用户对系统下的文件实现系统模拟的安装/卸载、登录/注销、格式化、新建目录、删除目录、新建文件、删除文件、复制文件等操作。-The program can use the files under the user on the system simulation to achieve system Install/Uninstall, log/log off, format, new directory, delete directory, new files, delete fil