OpenNet - , Linux, BSD Unix .
: 1 | bsd - freebsd - unix - linuxFreeBSD.
: 1 | - freebsd -PC-BSD is a free, open-source operating system based on rock-solid FreeBSD.
: 1 | opensource - freebsd - pc-bsd - unix.
: 1 | windows - freebsd - unix - linux - solaris