Ask Dr. Fortran

Dear Dr. Fortran,

I know this program who seems to be OK, but he is a little different from all the other programs. (Just between you and me, he is a legacy program. Don’t let that get out. It would not be politically correct.)

He started out life written for the IBM 1130 Disk Monitor System with 8k of core storage. He was written in 1130 FORTRAN. The original documentation gives direction as to which switches on the computer must be flipped to invoke certain options. But he is still alive and works well. We still add things to him. He lives on PCs now.

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