define-default
Specifies the default to be established for the DEFINE command.
Valid keywords (which correspond to DEFINE command qualifiers)
are as follows:
ADDRESS Subsequent DEFINE commands are treated as
DEFINE/ADDRESS. This is the default.
COMMAND Subsequent DEFINE commands are treated as
DEFINE/COMMAND.
PROCESS_SET Subsequent DEFINE commands are treated as
DEFINE/PROCESS_SET.
VALUE Subsequent DEFINE commands are treated as
DEFINE/VALUE.