Centos-3 is a distribution
that rebuilds the Enterprise Linux 3 release by taking the Source
RPMs and rebuilding them with full binary compatibility to the
upstream RPM packages of the EL3 line (see the project website
for more details about this distribution:
www.centos.org).
Centos 3 represents a rebuild of the latest updated release of Enterprise Linux 3
Centos is intended for servers or systems where consistency of API/ABI and stability are valued over more current versions of software and should provide at least 3 years of security and bug updates, which makes it perfect for servers and cluster nodes where newer software is not a requirement.
The only change between the Duke-provided tree of Centos-3 and the upstream release is the version and configuration files for yum.
Centos-3 is available in the following architectures: