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Sam Lennon

Sam Lennon is an analyst, developer, consultant and IBM i geek. He started his programming career in 360 assembly language on IBM mainframes, but moved to the AS400 platform in 1991 and has been an AS400/iSeries/i5/IBM i advocate ever since.

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Created: 2022-08-01
Category: RPG
IBM has made just about everything in free-format RPG truly free-format…except O-specs. But you ca...
Created: 2022-05-25
Category: CL
Date arithmetic in CL programs is limited and lacks the simplicity and scope found in RPG. This arti...