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Forth Alive

Forth
KindProgramming language
Appeared1970
StatusAlive
CreatorCharles 'Chuck' Moore
FamilyForth

Moore's stack machine you extend by writing words — part language, part operating system, part philosophy; still the bootstrap language of boot firmware.

Chuck Moore's Forth (1970) — a stack, a dictionary, two words — was built for radio telescopes and is still the smallest complete programming system ever: language, OS, and interpreter in a few KB.\n\nIt ran the space shuttle's experiments, Open Firmware's boot code, and PostScript's lineage; colorForth continues Moore's minimalism.

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