Green Book n.
1. One of the three standard PostScript references: "PostScript Language
Program Design", bylined `Adobe Systems' (Addison-Wesley, 1988;
QA76.73.P67P66 ISBN 0-201-14396-8); see also Red Book, Blue
Book, and the White
Book (sense 2). 2. Informal name for one of the three
standard references on SmallTalk: "Smalltalk-80: Bits of History,
Words of Advice", by Glenn Krasner (Addison-Wesley, 1983;
QA76.8.S635S58; ISBN 0-201-11669-3) (this, too, is associated
with blue and red books). 3. The "X/Open Compatibility Guide",
which defines an international standard Unix environment that is a proper superset of
POSIX/SVID; 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. The IEEE
1003.1 POSIX Operating Systems Interface standard has been dubbed
"The Ugly Green Book". 5. Any of the 1992 standards issued by the
CCITT's tenth plenary assembly. These include, among other
things, the X.400 email standard and the Group 1 through 4 fax
standards. See also book
titles.