The Design and Implementation of the 4.3BSD UNIX Operating System: Answer Book

by Samuel J. Leffler, Marshall Kirk McKusick

This answer book provides complete working solutions to the exercises in the definitive Design and Implementation of the 4.3BSD UNIX Operating System. It covers the internal structure of the 4.3BSD system and the concepts, data structures, and algorithms used in implementing the system facilities.

85 pages, Paperback

First published March 1, 1991

About the author

Samuel J. Leffler is a computer scientist known for his contributions to BSD, from the 1980s to FreeBSD in the present day. He played a key role in the development of BSD releases while working at the Computer Systems Research Group at the University of California, Berkeley, contributing to 4.1 and 4.2 BSD. Beyond his work with BSD, he created HylaFAX, LibTIFF, and the FreeBSD Wireless Device Drivers and co-authored the Design and Implementation series of books.
After leaving the Computer Systems Research Group, Leffler worked at Lucasfilm, Pixar Animation Studios, Silicon Graphics, Alias Research, Softimage 3D, Cinetron Computer Systems, and VMware. During his time at Silicon Graphics, he developed HylaFAX. Later, he became an independent system design consultant. His contributions to computer animation rendering include work on André and Wally B. (1984) in texturing and matteing, Luxo Jr. (1986) in rendering, Tin Toy (1988) as part of the RenderMan team, and Toy Story (1995) in modeling, animation system development, and RenderMan software development.