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MirOS BSD (originally called MirBSD) is a
free and open source Free and open-source software (FOSS) is software available under a license that grants users the right to use, modify, and distribute the software modified or not to everyone free of charge. FOSS is an inclusive umbrella term encompassing free ...
operating system An operating system (OS) is system software that manages computer hardware and software resources, and provides common daemon (computing), services for computer programs. Time-sharing operating systems scheduler (computing), schedule tasks for ...
which started as a fork of
OpenBSD OpenBSD is a security-focused operating system, security-focused, free software, Unix-like operating system based on the Berkeley Software Distribution (BSD). Theo de Raadt created OpenBSD in 1995 by fork (software development), forking NetBSD ...
3.1 in August 2002.Birthing point for MirOS
/ref> It was intended to maintain the security of OpenBSD with better support for European localisation. Since then it has also incorporated code from other free BSD descendants, including
NetBSD NetBSD is a free and open-source Unix-like operating system based on the Berkeley Software Distribution (BSD). It was the first open-source BSD descendant officially released after 386BSD was fork (software development), forked. It continues to ...
, MicroBSD (owned by DamnSmallBSD) and
FreeBSD FreeBSD is a free-software Unix-like operating system descended from the Berkeley Software Distribution (BSD). The first version was released in 1993 developed from 386BSD, one of the first fully functional and free Unix clones on affordable ...
. Code from MirOS BSD was also incorporated into ekkoBSD, and when ekkoBSD ceased to exist, artwork, code and developers ended up working on MirOS BSD for a while. Unlike the three major BSD distributions, MirOS BSD supports only the
x86 x86 (also known as 80x86 or the 8086 family) is a family of complex instruction set computer (CISC) instruction set architectures initially developed by Intel, based on the 8086 microprocessor and its 8-bit-external-bus variant, the 8088. Th ...
and SPARC architectures.


History

MirOS BSD originated as ''OpenBSD-current-mirabilos'', an OpenBSD patchkit, but became a separate project after differences in opinion between the OpenBSD project leader Theo de Raadt and Thorsten Glaser. Despite the forking, MirOS BSD was synchronised with the ongoing development of OpenBSD, thus inheriting most of its good security history, as well as NetBSD and other BSD flavours. One of the project's goals was to be able to port the MirOS userland to run on the
Linux Linux ( ) is a family of open source Unix-like operating systems based on the Linux kernel, an kernel (operating system), operating system kernel first released on September 17, 1991, by Linus Torvalds. Linux is typically package manager, pac ...
kernel, hence the deprecation of the MirBSD name in favour of MirOS. While ''MirOS Linux'' (linux kernel + BSD userland) was discussed by the developers sometime in 2004, it has not materialised.


See also

*
Comparison of BSD operating systems There are a number of Unix-like operating systems based on or descended from the Berkeley Software Distribution (BSD) series of Unix variant options. The three most notable descendants in current use are FreeBSD, OpenBSD, and NetBSD, which are all ...


References


External links

* {{Berkeley Software Distribution Berkeley Software Distribution OpenBSD Software forks Rolling release Linux distributions