CUNUNIxx contains information that Unicode services uses to define
or change its environment. Through the use of the different statements,
you can modify the environment in the following ways:
- Add, delete, or replace conversion tables, case support, normalize
support, collation support and locale support to the Unicode environment.
- Specify the upper storage limit for pages to be used by conversion
images.
- Identify the name of the conversion image to be selected.
- Delete an inactive conversion environment.