图形化界面，支持文件创建，文件删除，文件重命名，文件复制，剪切和粘贴以，文件保护，文件查找，查看文件属性等操作，多用户系统。-Graphical interface, supporting documents, and create, delete file, file renaming, file copying, cutting and pasting to, protect documents, file search, check the file attributes operatio