The sequential hierarchical menu enabled users to forget many of the commands and option details required by the command-line interface. Instead of keeping the details in his head, a user could read them off the screen.

• 顺序层次关系菜单不需要用户记忆命令行界面所需要的许多命令和参数细节，只需要在屏幕上进行选择，无须记得很清楚。