1. <publication> Informal name for one of the four standard references on PostScript. The other three official guides are known as the Blue Book, the Red Book, and the White Book.
["PostScript Language Program Design", Adobe Systems, Addison-Wesley, 1988 (ISBN 0-201-14396-8)].
2. <publication> Informal name for one of the three standard references on SmallTalk. Also associated with blue and red books.
["Smalltalk-80: Bits of History, Words of Advice", by Glenn Krasner (Addison-Wesley, 1983; QA76.8.S635S58; ISBN 0-201-11669-3)].
3. <publication> The "X/Open Compatibility Guide", which defines an international standard Unix environment that is a proper superset of POSIX/SVID. It also includes descriptions of a standard utility toolkit, systems administrations features, and the like. This grimoire is taken with particular seriousness in Europe. See Purple Book.
4. <publication> The IEEE 1003.1 POSIX Operating Systems Interface standard has been dubbed "The Ugly Green Book".
5. <publication> Any of the 1992 standards issued by the ITU-T's tenth plenary assembly. These include, among other things, the dreadful X.400 electronic mail standard and the Group 1 through 4 fax standards.
6. Green Book CD-ROM.
See also book titles.