Calling a user program

The following statements are used to load and start routines written by users or third-party suppliers in order to extend the EDT functionality.

@RUN	Calls a user routine. This statement is different from the statement of the same name in compatibility mode	F mode L mode
@UNLOAD	Unloads modules that have been loaded with @USE.	F mode L mode
@USE	Defines user statements by specifying a user statement symbol and the associated statement routine.	F mode L mode