On July 14, 1992, the first working release (0.1) of the 386BSD operating system was published, offering a BSD UNIX implementation for the i386 processors based on the 4.3BSD Net/2 developments. The system was equipped with a simplified installer, included a full networking stack, a modular kernel, and a role-based access control system. In March 1993 the NetBSD fork was formed on the basis of 386BSD 0.1 out of a desire to make patch acceptance more open and unify support for various architectures, and in June 1993 the FreeBSD project was founded on the basis of 4.3BSD-Lite 'Net/2' and 386BSD 0.1, which incorporates patches not included in 386BSD.
Source: opennet.ru