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HP-UX System Administrator's Guide: Routine Management Tasks: HP-UX 11i Version 3 > Preface

HP-UX 11i Release Names and Release Identifiers


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With HP-UX 11i, HP delivers a highly available, secure, and manageable operating system that meets the demands of end-to-end Internet-critical computing. HP-UX 11i supports enterprise, mission-critical, and technical computing environments. HP-UX 11i is available on both PA-RISC systems and Intel® Itanium®-based systems.

Each HP-UX 11i release has an associated release name and release identifier. The uname command with the -r option returns the release identifier. Table 1 shows the releases available for HP-UX 11i.

Table 1 HP-UX 11i Releases

Release IdentifierRelease NameSupported Processor Architecture


HP-UX 11i Version 1



HP-UX 11i Version 2



HP-UX 11i Version 2 , September 2004

PA-RISC and Itanium-based


HP-UX 11i Version 3 , February 2007

PA-RISC and Itanium-based


HP-UX 11i Version 3 , September 2007

PA-RISC and Itanium-based


HP-UX 11i Version 3 , March 2008

PA-RISC and Itanium-based


For information on supported systems and processor architecture for different versions of HP-UX, refer to the HP-UX system release notes specific to your version of HP-UX (for example, the HP-UX 11.0 Release Notes or the HP-UX 11i Version 3 Release Notes).

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