This area of the archive contains systems released by, or related to, the University of California, Berkeley (ucb). The directories 2.9BSD and 2.11BSD contain these UNIX distributions, and were supplied by Steven Schultz, the maintainer of 2.11BSD. They contain a full distribution, including installation tape images. The 2.11BSD/Patches directory contains all the patches made to 2.11BSD by Steven Schultz. 2.11BSD 2.11BSD-pl195.tar is a copy of 2.11BSD at patch level 195, supplied by Tom Ivar Helbekkmo. spencer_2bsd.tar.gz is a version of 2BSD which came from Henry Spencer. Most of the remaining gzipped tar files are other 2BSD distributions supplied by Keith Bostic. They do not contain installation tape images. The 2.9BSD-Patch directory contains patches to 2.9BSD dated August 85, and again supplied by Keith Bostic. The 2.9-derivatives directory contains a number of 2.9BSD derivaties, mainly for the Pro/350 and Pro/380 series machines, and to add MSCP support to 2.9BSD.