操作系统进程管理-os system management

本程序是一个文件管理系统，实现对txt文件的建立、复制、移动、编辑和删除功能，还支持多级目录的建立。-This procedure is a file management system, realizes to TXT file, the establishment of reproduction, mobile, edit and delete function, also support the establishment of multistage directory.