cookie jar

from WordNet (r) 3.0 (2006)

cookie jar
    n 1: a jar in which cookies are kept (and sometimes money is
         hidden) [syn: {cookie jar}, {cooky jar}]

from Jargon File (4.4.4, 14 Aug 2003)

cookie jar
 n.

   An area of memory set aside for storing {cookie}s. Most commonly heard
   in the Atari ST community; many useful ST programs record their
   presence by storing a distinctive {magic number} in the jar. Programs
   can inquire after the presence or otherwise of other programs by
   searching the contents of the jar.

from The Free On-line Dictionary of Computing (8 July 2008)

cookie jar

   1. <programming> An area of memory set aside for storing
   {cookies}.  Most commonly heard in the {Atari ST} community;
   many useful ST programs record their presence by storing a
   distinctive {magic number} in the jar.  Programs can inquire
   after the presence or otherwise of other programs by searching
   the contents of the jar.

   2. <security> A {cracker} term for the password file of a
   multi-user computer.

   [{Jargon File}]

   (1997-02-12)