(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)