FreeBSD is an advanced operating system for x86 compatible (including Pentium® and Athlon™), amd64 compatible (including Opteron™, Athlon 64, and EM64T), Alpha/AXP, IA-64, PC-98 and UltraSPARC® architectures. It is derived from BSD, the version of UNIX® developed at the University of California, Berkeley. It is developed and maintained by a large team of individuals. Additional platforms are in various stages of development.

FreeBSD 6.1:
It is my great pleasure and privilege to announce the availability of FreeBSD 6.1-RELEASE. This release is the next step in the development of the 6.X branch, delivering several performance improvements, many bugfixes, and a few new features. These include:

Addition of a keyboard multiplexer. This allows USB and PS/2 keyboards to coexist without any special options at boot.

Many fixes for filesystem stability. High load stress tests are now run successfully on a regular basis as part of the normal FreeBSD QA process.

Automatic configuration for many Bluetooth devices, as well as automatic support for running WiFi access points.

Addition of drivers for new ethernet and SAS and SATA RAID controllers.

BIND updated to 9.3.2

sendmail updated to 8.13.6

http://ftp5.freebsd.org/ISO-IMAGES-i386/6.1/
http://aaotracker.com/usertracker.php?userid=199996