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That is AS400 from IBM. Although discounted by IBM, it is still in production in many places running mission-critical apps. It's far better than the stuff people write today. This is how reliability looks. Why break it when it works?

Pino Carafa

@nixCraft I started my work life on the AS/400 many moons ago. Wouldn't go back for all the money in the world, reliable or not.

@rozeboosje @nixCraft I've earned my bread doing COBOL/400 programming during my studies and I considered it something only interesting to people with very obsolete ideas.

Theses tings were so inflexible, expansive and slow. Finally they got replaced instead of integrating things like E-Mail, Faxes and car routeplanning into the green screen terminal world.