What is the CNTLFILE used for on the Batch Automap RC/Compare for Db2 for z/OS (RCC) JCL.
The Batch Automap JCL provides a method to create a Compare Strategy using batch JCL. One of the DD's in the JCL is a CNTLFILE.
The CNTLFILE is a temporary file for internal use. The file can be a sequential dataset defined as FB 133. This file may or may not be
used depending on the processing being done.
Additional Information:
See the Automap information under Batch Compare Facility