When you run the munger, it will prompt you for: Listing file Input file Output Text file Output Instruction file Record Index file Enter the appropriate file names for each. You will then be prompted: Hash Table Size: For this you will have to get into a trial and error process. If there was currently a better way the compiler itself would probably have implemented it. The number is based roughly on the number of variables, options, etc. The smaller the "adventure" the smaller the number can be. If the input file (or any of its INCLUDE files) invokes the XREF capability then you will be prompted: XREF file Enter the appropriate file name. Note: to determine the disposition of all the files created by this procedure you should check out RUNTIME.DOC.