The Computers: Software: Operating Systems: Unix: (BSD Unix )

This is a general section for Unix operating systems (OSs) of the BSD variety. BSD = Berkeley Software Distribution, which is one of the two main trunks of the Unix tree. The early Internet was based mainly on BSD software, and a large fraction of today's Internet runs on such. All the main BSD variants (BSD-OS, FreeBSD, NetBSD, OpenBSD) have monolithic architectures. BSD Unix Operating Systems Software Computers.

Berkeley Software Distribution ( BSD ) is a Unix operating system derivative developed and distributed by the Computer Systems Research Group (CSRG) of the University of California, Berkeley, from 1977 to 1995. (wikipedia)