dinosaur
1. Any hardware requiring raised flooring and special power.
Used especially of old {minicomputer}s and {mainframe}s, in
contrast with newer {microprocessor}-based machines.
In a famous quote from the 1988 Unix EXPO, {Bill Joy} compared
the liquid-cooled mainframe in the massive {IBM} display with
a grazing dinosaur "with a truck outside pumping its bodily
fluids through it". IBM was not amused.
Compare {big iron}; see also {dinosaurs mating}.
2. [IBM] A very conservative user; a {zipperhead}.
[{Jargon File}]