Zend Server refers to a PHP application server product line offered by Zend Technologies, released in early 2009 with production support available for Windows and Linux. It is available in two versions, Zend Server and Zend Server Community Edition. Zend Server is supported on x86 and x86-64 compatible machines with IBM iSeries support in Zend Server 5. On Linux it is supported on Red Hat Enterprise Linux, CentOS, Fedora Core, Oracle Enterprise Linux, Debian and Ubuntu. On Windows, Zend Server is supported on Windows Server 2003/2008, XP, Vista and Windows 7. At Zendcon 2009 Zend announced the public beta of Zend Server 5.0. The current version is 6.0.1 which included support for production deployment functionality.