YAUN = Y = yellow card
Yellow Book n.
The print version of this Jargon File; "The New Hacker's Dictionary" from MIT Press; The book includes essentially all the material in the File, plus a Foreword by Guy L. Steele Jr. and a Preface by Eric S. Raymond. Most importantly, the book version is nicely typeset and includes almost all of the infamous Crunchly cartoons by the Great Quux, each attached to an appropriate entry. The first edition (1991, ISBN 0-262-68069-6) corresponded to the Jargon File version 2.9.6. The second edition (1993, ISBN 0-262-68079-3) corresponded to the Jargon File 3.0.0. The third (1996, ISBN 0-262-68092-0) corresponded to 4.0.0.
--The Jargon File version 4.3.1, ed. ESR, this entry manually entered by rootbeer277.