The following DD statements are required for all uses of MFJAMS:
            
            
            
               
               
               - SYSIN
- For the data set that contains the input commands. It can be an in-stream data set
- SYSPRINT
- For the output listing data set. It must have an LRECL value of at least 121.
The following DD statements are used by some commands:
            
            
            
               
               - For the data sets that are used for input to the PRINT, REPRO and VERIFY commands. The DD statement can have any valid dd-name, such as INFILE. 
               
- For the data sets that are used for output from the PRINT and REPRO commands. The DD statement can have any valid dd-name, such as OUTFILE.