I'm sure most people here don't even know it's the only OS in the world allowing you run Xorg as an unprivileged user.
Just like Linux taught me to appreciate FreeBSD, FreeBSD taught me to appreciate OpenBSD. OpenBSD -- the world's simplest and most secure Unix-like OS. Creator of the world's most used SSH implementation OpenSSH, the world's most elegant firewall PF, the world's most elegant mail server OpenSMTPD, and the OpenSSL rewrite LibreSSL. OpenBSD -- the cleanest kernel, the cleanest userland and the cleanest configuration syntax.
FreeBSD -- growing overly complex [1], lagging on security [2], packing itself with unnecessary, experimental technologies, and representing itself with a satanic mascot and a shiny, dildo-looking logo.
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[1] http://lists.freebsd.org/pipermail/freebsd-hackers/2012-Janu...
[2] http://itwire.com/business-it-news/open-source/62641-crypto-...