CentOS 4.0 for x86_64 processors has been released for download which closely follows the release for download of CentOS 4.0 for i386. New features include the Linux 2.6 Kernel, SELinux, udev replacing the /dev system, X.Org, MySQL4, CyrusIMAPd, GNOME 2.8 and KDE 3.3. Screenshots are available at OSDir.com.

CentOS is an Enterprise-class Linux Distribution derived from sources freely provided to the public by a prominent North American Enterprise Linux vendor. CentOS conforms fully with the upstream vendors redistribution policy and aims to be 100% binary compatible.