Devil Book definition publication
"The Design and Implementation of the 4.3BSD
Unix Operating System", by Samuel J. Leffler, Marshall Kirk McKusick, Michael J. Karels, and John S. Quarterman (Addison-Wesley Publishers, 1989, ISBN 0-201-06196-1).
The standard reference book on the internals of BSD Unix
. So called because the cover has a picture depicting a little devil (a visual play on daemon
) in sneakers, holding a pitchfork (referring to one of the characteristic features of Unix, the "fork
(2)" system call