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/nil/ 1. New Implementation of Lisp. A language intended to be the successor of MacLisp. A large Lisp, implemented mostly in VAX assembly language. A forerunner of Common LISP.

["NIL: A Perspective", Jon L. White, MACSYMA Users' Conf Proc, 1979].

2. Network Implementation Language. Strom & Yemini, TJWRC, IBM. Implementation of complex networking protocols in a modular fashion.

["NIL: An Integrated Language and System for Distributed Programming", R. Strom et al, SIGPLAN Notices 18(6):73-82 (June 1983)].

3. Empty list or False. In Lisp, the empty list (or "nil list") is used to represent the Boolean value False. This is possible because Lisp is not typed. True is represented by the special atom "t".

4. Spoken in reply to a question, particularly one asked using the "-P" convention it means "No". Most hackers assume this derives simply from LISP, but NIL meaning "no" was well-established among radio hams decades before LISP existed. The historical connection between early hackerdom and the ham radio world was strong enough that this may have been an influence.
References in periodicals archive ?
After touring with Bruce Springsteen as a long-time member of the E Street Band on both the 2012-13 Wrecking Ball tour and the 2014 High Hopes tour Nils is back once again to perform his own legendary live show, and he comes to Venue Cymru, Llandudno on Friday, November 6.
yDette gleder jeg meg virkelig tile, sier Nils Stangnes.
We are pleased to have Nils back with us," said Hal Ritch, Sagent Advisors' Chief Executive Officer.
Auto Business News-September 2, 2011--Volkswagen AG to launch new NILS concept car at 2011 Frankfurt Motor Show(C)1994-2011 ENPublishing - http://www.
MUSIC Nils Lofgren Acoustic Duo, above, Philharmonic Hall, 0151 709 3789.
Damascus, (SANA) -- Norwegian trumpet player Nils Petter Molvaer performed music from his new album Hamada at the al-Assad House for Culture and Arts in Damascus.
Tonight there's a show by Nils Petter Molvaer, the celebrated Norwegian trumpet player, composer and producer, promoted by Birmingham Jazz.
NORTH East basketball has waved goodbye to one of its favourite adopted sons - but hoops are high that Nils Steuber will be back in Newcastle by the summer.
WHEN Maria Andrews fell ill on a dream holiday to the Dominican Republic, hospital staff advised fiance Nils Friis to return to his hotel because she was recovering so well.
Chrome was the only browser up for grabs that Nils didn't break.
God Lager whose names translates as 'good' in Swedish--is produced by the Nils Oscar micro-brewery.
Visitor favourite Nils Olav is an honorary member of the Norwegian King's Guard, which promoted him from Colonelin-Chief during a ceremony at the animal attraction.