Introduction

HP-UX 11i Version 2 is the latest release for most Itanium-based HP-UX systems. The Release ID for HP-UX 11i Version 2 is B.11.23, and we use the term HP-UX 11i v2 throughout this guide. The HP-UX 11i v2 Operating Environments (OEs) are integrated and tested software solutions containing the operating system and selected applications.

Precision Architecture Reduced Instruction Set Computing (PA-RISC)-based systems should continue to run HP-UX 11iv1 (Release ID B.11.11) or earlier releases. HP-UX 11i v2 does not run on PA-RISC-based systems.

HP-UX 11i Release Names and Release Identifiers

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 Itanium-based systems.

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

Table 1-1 HP-UX 11i Releases

Release Identifier	Release Name	Supported Processor Architecture
B.11.11	HP-UX 11i v1	PA-RISC
B.11.20	HP-UX 11i v1.5	Intel® Itanium®
B.11.22	HP-UX 11i v1.6	Intel® Itanium®
B.11.23	HP-UX 11i v2	Intel® Itanium®