Developer for System z
PL/I for Windows, Version 8.0, Programming Guide
NMAKE options
You can use several options with NMAKE. Keep the following in mind when using options:
Option characters are not case sensitive; /I and /i are equivalent.
You can use either a slash or dash before the option characters; -a and /a are equivalent.
Developer for System z
PL/I for Windows, Version 8.0, Programming Guide