Berkeley Software Distribution

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Berkeley Software Distribution

(operating system)
(BSD) A family of Unix versions developed by Bill Joy and others at the University of California at Berkeley, originally for the DEC VAX and PDP-11 computers, and subsequently ported to almost all modern general-purpose computers. BSD Unix incorporates paged virtual memory, TCP/IP networking enhancements and many other features.

BSD UNIX 4.0 was released on 1980-10-19. The BSD versions (4.1, 4.2, and 4.3) and the commercial versions derived from them (SunOS, ULTRIX, Mt. Xinu, Dynix) held the technical lead in the Unix world until AT&T's successful standardisation efforts after about 1986, and are still widely popular.

See also Berzerkeley, USG Unix.
This article is provided by FOLDOC - Free Online Dictionary of Computing (
References in periodicals archive ?
The Sunnyvale, CA-based company designs network appliances based on FreeBSD (Berkeley Software Distribution), a highly reliable operating system whose foundation was developed at the University of California-Berkeley.
Foster (Computer Sciences Corp.) and Price (McAfee) explain how to code with the Nessus Attack Scripting language (NASL), and program Berkeley software distribution (BSD), Windows, and Java sockets that will provide secure network connections.
Covalent, on the other hand, uses the Berkeley Software Distribution (BSD) license, which allows developers to incorporate proprietary modifications to the BSD code and release the modified version as a proprietary product.

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