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Definition: green screen


(1) See color key.

(2) A computer terminal that displays green characters on a dark background. Widely used in the early days of mainframes and minicomputers, as well as in the days of DOS, the character-based green screen gave way to the graphics-based interfaces of Windows and Mac.






From Green Screen to the Web
CA Technologies' Advantage Integration Server transforms legacy applications (top) into graphics-based documents (bottom) that can be accessed via a Web browser. (Screen examples courtesy of CA Technologies, Inc.)