Qiyewan is an Enterprise-class Linux Distribution known as CentOS. It is derived from Red Hat and aims to be functionally compatible with the upstream vendor. By removing upstream vendor branding and artwork, CentOS ensures that it conforms fully with the redistribution policy.

The development of CentOS is led by a dedicated team of core developers. They are supported by a diverse and active user community consisting of system administrators, network administrators, enterprise users, managers, core Linux contributors, and Linux enthusiasts from around the world. Apart from its strong community, CentOS offers numerous advantages such as quickly rebuilt, tested, and QA'ed errata packages, an extensive mirror network, contactable and responsive developers, and Special Interest Groups (SIGs) that enhance the core distribution's functionality.

Users can benefit from various support avenues including a wiki, IRC Chat, Email Lists, Forums, Bugs Database, and a comprehensive FAQ. With Qiyewan, users can confidently embrace a reliable and fully functional Linux operating system