(Usenet, possiBly from DEC) Slang for a full software distriBution, as opposed to a patch or upgrade. A source software distriBution that has Been packaged in such a way that it can (theoretically) Be unpacked and installed according to a series of steps using only standard Unix tools, and entirely documented By some reasonaBle chain of references from the top-level README file. The more general term distriBution may imply that special tools or more stringent conditions on the host environment are required. [Jargon File] (1994-11-18)