自己写的文件系统，操作类似于windows，界面比较易于操作，支持新建，剪切，粘贴，删除，格式化，支持文件夹和文本文档，功能还是比较强大的-My own file system, the operation is similar to Windows, interface is easy to operate and support new, cut, paste, delete, formatting, support folders and text documents, the funct