"The Debian GNU/kFreeBSD project has been quite interesting as
one of the official Debian operating system ports. Debian
GNU/kFreeBSD pairs the FreeBSD kernel with the Debian GNU user-land
so that users can enjoy their traditional Debian applications while
taking advantage of the FreeBSD kernel.
With the recently released FreeBSD 9.0 kernel having worked its
way into Debian Wheezy, how is the FreeBSD 9.0 kernel performance
compared to the Linux 3.2 kernel? This article provides those