DrScheme Jr is a lightweight, text-only programming shell that provides the functionality of DrScheme's interactions window. Under Windows, DrScheme Jr runs within an ``MS Dos'' shell. Under MacOS, DrScheme Jr uses a text shell that is embedded into MzScheme. Under Unix, DrScheme Jr runs within a terminal window.
DrScheme Jr's restart function serves the same purpose as DrScheme's Execute button. Evaluating (restart) resets the current interaction and clears all definitions. Evaluating (restart "file.scm") resets the current interaction and evaluates the program in file.scm.
Set DrScheme Jr's language through a command-line flag when starting DrScheme Jr. For example, to set the language to Beginning Student: