Using the Z Data Tools COBOL compiler

Z Data Tools uses its internal COBOL compiler by default.
Note:
The Z Data Tools compiler requires a region size of at least 40 MB and possibly more, depending on the complexity of the copybook being compiled.

If Z Data Tools is to use its internal COBOL compiler, review the following sections for customization tasks you might need to perform. Not all the functions available using a licensed site COBOL compiler are available using the Z Data Tools compiler, and for functions that are available, the customization might differ.