The text user interface provides context-sensitive on-line help. Within the text menu system, you can obtain a brief description of each of the commands by entering a ? followed by the command in question.
> ?dis display/: Enter the display menu.
You can also enter a lone ? to enter "help mode.'' In this mode, you need only enter the command or menu name to display the help message. To exit the help mode type q or quit as for a normal menu.
> ? [help-mode]> di display/: Enter the display menu. [help-mode]> pwd pwd: #[alias] (LAMBDA () (BEGIN (SET! pwd-cmd ((LAMBDA n n) 'system (IF (cx-send '(unix?)) "pwd" "cd"))) (cx-send pwd-cmd))) [help-mode]> q
To access the help, type a ? at the prompt when you are prompted for information.
> display/annotate Annotation text [""] ? Enter the text to annotate the plot with. Annotation text [""]