This book is an introduction to NeWS: the Networked, Extensible, Window System from Sun Microsystems. It is oriented towards people who have a basic knowledge of programming and window systems who would like to understand more about window systems in general and NeWS in particular. A significant portion of the book is devoted to an overview and history of window systems. While there is enough detail here to allow readers to write simple NeWS applications, the NeWS Reference Manual SUN87a] should be consulted for a more complete treatment. This book was written to refer to the NeWS 1. 1...