The MFSGEN utility creates the following files:

FILE.MSG

One category of binary files for MID and MOD control blocks. The name “FILE” should be obtained from input MSG definition statements.

FILE.FMT

One category of binary files for DIF and DOF control blocks. The name “FILE” should be obtained from input FMT definition statements.

FILE.lst

Source listing file. Here, “FILE” is the same as the base name of input file.