MirOS BSD

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MirOS BSD

Screenshot of MirOS #10-current/i386
Developer	Thorsten Glaser, Benny Siegert, Ádám Hóka, others
OS family	Unix, BSD
Working state	Current [1]
Source model	Open source
Initial release	OpenBSD-current-mirabilos #0[2] (October 11, 2002; 22 years ago (2002-10-11))
Latest release	MirOS #10semel (March 16, 2008; 16 years ago (2008-03-16)) [±]
Latest preview	MirBSD-current (10uB4-20160117) (January 17, 2016; 8 years ago (2016-01-17)) [±]
Update method	Binary security updates for stable releases
Package manager	MirPorts, pkgsrc
Platforms	i386, SPARC
Kernel type	Monolithic
Default user interface	mksh, IceWM, evilwm
License	Mostly BSD, GPL, MirOS Licence
Official website	www.mirbsd.org

MirOS BSD (originally called MirBSD) is a free and open source operating system which started as a fork of OpenBSD 3.1 in August 2002.^[3] 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, MicroBSD and FreeBSD. 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 and SPARC architectures.

One of the project's goals was to be able to port the MirOS userland to run on the Linux kernel, hence the deprecation of the MirBSD name in favour of MirOS. .