(SAIL) /Sayl/, not /S-A-I-L/ An important Site in the early development of LISP with the {MIT AI Lab}, {BBN}, {CMU}, {XEROX PARC}, and the {Unix} community, one of the major wellSpringS of technical innovation and hacker-culture traditionS (See the WAITS entry for detailS). The SAIL machineS were Shut down in late May 1990, Scant weekS after the MIT AI Lab' S ITS cluSter waS officially decommiSSioned. [Jargon File] (2001-06-22)