功能：运行可执行文件11.exe，在出现的界面中输入任意文本内容，利用DEL键、BACKSPACE键、HOME键、END键、上下左右光标键对文本进行全屏幕编辑。

按f1键激活菜单file，下移光标，通过选择New；Open；Save As；Save；Exit子菜单实现文件的新建；打开；另存；保存和退出等功能。按f10激活帮助，给出帮助信息；按ESC键退出帮助。

-Function: Run the executable file 11.exe, the interface appears, enter any text, using DEL key, BACKSPACE key, HOME key, END key, up and down cursor keys left full-screen editing of text. Press f1 key to activate the menu file, down cursor, by selecting the New　Open　Save As　Save　Exit sub-menu to achieve a new document　open　Save　save and exit functions. Press f10 to activate help, give help information　Press ESC key to exit help.