muLISP

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muLISP is a DOS -based commercial development environment for LISP as well as its own LISP variant. It was developed in 1979 by Soft Warehouse ( Honolulu , Hawaii), which has since been purchased by Texas Instruments , As for CP / M sold. In 1982 it was licensed by the then still young software company Microsoft and published for the IBM PC . It subsequently became one of the most widespread DOS-based LISP variants. The best known program developed in muLISP is DERIVE . MuLISP is no longer available today.

The name is derived on the one hand from the Latin counterpart mu to the Greek , which is the abbreviation for the micro in the term microcomputer, which was then common for personal computers , and on the other hand from the programming language LISP.

muLISP included a graphical editor , a debugger , a window manager and of course a compiler and interpreter for muLISP. The current 16-bit muLISP90 standard version is limited to 640 KB usable memory (so-called conventional memory ), but there is also muLISP XM, the 32- bit further development.

muLISP is not a Common Lisp , but there are program libraries that are intended to provide partial compatibility with Interlisp or Common Lisp. A CLOS implementation is also available.

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