CentOS
is an Enterprise-class Linux Distribution derived
from sources freely provided to the public by
the prominent North American Enterprise Linux
vendor REDHAT.
CentOS
conforms fully with the upstream vendors redistribution
policy and aims to be 100% binary compatible.
(CentOS mainly changes packages to remove upstream
vendor branding and artwork.)

CentOS
is a free opensource Linux solution.. CentOS is
a project of the cAos Foundation. CentOS is developed
by a small but growing team of core developers.
In
turn the core developers are supported by an active
user community including system administrators,
network administrators, enterprise users, managers,
core Linux contributors and Linux enthusiasts
from around the world.