MFDEMO includes one DBD file (demo03dd.dbd) that you need to generate. To generate the DBD:
mfims dbdgen demo03dd.dbd nocls echo(enderr,0,50)
mfims dbdgen DEMO03DD.DBD nocls echo"enderr,0,50"
Creating the DBD gens produces the following files:
These files contain DBD source information that has been extracted and formatted into a smaller structure optimized for faster access during execution. These files are indexed files and can contain information for one or more generated DBD members. Do not edit, move or delete these files.