Parts of Chapter 2, were adapted from O'Reilly & Associates' X Window System User's Guide, Volume 3, OSF/Motif Edition, by Valerie Quercia and Tim O'Reilly. Valerie Quercia reviewed the revised Chapter 2.
Gigi Estabrook was the update editor for the fourth edition, and Nancy Wolfe Kotary was the production editor and copyedited the new edition. Madeleine Newell proofread the fourth edition; Seth Maislin wrote the index; Sheryl Avruch, Nicole Gipson Arigo, and Mary Anne Mayo provided quality control checks; and Elissa Haney provided production assistance.