有关使用MS-DOS帮助的更多信息， 请从Help菜单中选择 How to Use MS-DOS Help? ，或按F1。若要退出MS-DOS帮助，可按ALT,F,X。-Help on using MS-DOS more information, please select from the Help menu, ' How to Use MS-DOS Help?' , Or press F1. To exit the MS-DOS help, according to ALT, F, X.