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 offers advanced networking, performance, security and compatibility features today which are still missing in other operating systems, even some of the best commercial ones.