Before you start hoisting flamming tarballs in my direction, read the title
of BOTH articles - you'll get a chuckle a least.
Why Linux will never be as secure as OpenBSD
http://seifried.org/security/os/20011107-linux-openbsd.html
Why OpenBSD will never be as secure as Linux
http://seifried.org/security/os/20011107-openbsd-linux.html
Dennis Kibbe