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