IBM invented rendering on the client in the 3270 terminal... In 1971.

shawndumas · on Jan 14, 2015

I got my start as a professional programmer at an IBM shop on an System 38 --> AS/400 writing RPG apps with 5250 terminals. When HTTP/HTML started taking off in 1993 because of Mosaic I felt right at home.

RPG ran on the AS/400 and your DSPF (display file) ran on the terminal. DSPFs did screen layout, validation, etc...