The following DD statements are required:
- SYSUT1
- For the first of the datasets to be compared.
- SYSUT2
- For the second of the datasets to be compared.
- SYSIN
- For the data set that contains the program control statements. It can be an in-stream data set.
- SYSUT3
- For the file to which results are written. It should also have the same DCB parameters as SYSUT1.