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What is CentOS?
CentOS is an Enterprise Linux distribution based on the freely available sources from Red Hat Enterprise Linux. Each CentOS version is supported for 7 years (by means of security updates). A new CentOS version is released every 2 years and each CentOS version is periodically updated (roughly every 6 months) to support newer hardware. This results in a secure, low-maintenance, reliable, predictable and reproducible Linux environment.

Planet CentOS / Newsletter
Stay in touch with the CentOS developers at our Planet CentOS weblog aggregator and the monthly CentOS Pulse newsletter.

Download Download CD and DVD images or individual RPM packages. Current major versions are 5.4, 4.8, or 3.9 [out of support: 2.1].
Search Find information about CentOS by keyword on wiki, website, mailinglists and forums.
Learn Browse our vastly increasing selection of Manuals, FAQs, Tips-and-tricks and Howtos.
Contribute Join the CentOS community and help us help you.
Promote Help us spread the word about CentOS and Enterprise Linux.
Donate Provide us with the funds we need to operate this free project.
About Learn more about the CentOS project.

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