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DragonFly BSD is a free and open-source Unix-like operating system forked from FreeBSD 4.8. Matthew Dillon, an Amiga developer in the late 1980s and early 1990s and FreeBSD developer between 1994 and 2003, began working on DragonFly BSD in June 2003 and announced it on the FreeBSD mailing lists on 16 July 2003.
DragonFly BSD started out as a fork and continuation of FreeBSD 4.8. Like all other modern PC-compatible BSD variants, it carries on the distinguished tradition of BSD systems development. In addition to the fine work provided by CSRG, the DragonFly Project has put in many thousands of hours in fine-tuning the system for maximum performance and ...
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DragonFly BSD is an open source, Unix-like operating system focused on symmetric multiprocessing (SMP). Features introduced in DragonFly BSD include Light Weight Kernel Threads and the HAMMER filesystem.
pfSense is a FreeBSD-based firewall tailored for use as a firewall and router. StarBSD. StarBSD is a Unix-like, server-oriented operating system based on FreeBSD for Mission-Critical Enterprise Environment. [2] CellOS. The PlayStation 3 operating system. Orbis OS. The PlayStation 4 operating system.
Other notable derivatives include DragonFly BSD, which was forked from FreeBSD 4.8. Most of the current BSD operating systems are open source and available for download, free of charge, under the BSD License. They also generally use a monolithic kernel architecture, apart from DragonFly BSD which feature hybrid kernels.
NamePrimary DevelopersFirst Public ReleaseBased OnThe FreeBSD Project1993-12-01386BSD, 4.4BSD -LiteThe OpenBSD Project1996-09-01The NetBSD Project1993-04-19386BSD, 4.4BSD -Lite2004-07-12Jan 17, 2023 · DragonFly provides an opportunity for the BSD base to grow in an entirely different direction from the one taken in the FreeBSD, NetBSD, and OpenBSD series. DragonFly includes many useful features that differentiate it from other operating systems in the same class.
OpenBSD is a security-focused, free and open-source, Unix-like operating system based on the Berkeley Software Distribution (BSD). Theo de Raadt created OpenBSD in 1995 by forking NetBSD 1.0. [4] The OpenBSD project emphasizes portability, standardization, correctness, proactive security, and integrated cryptography.