history of HP-UX

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The HP-UX System


The history of hp-UX begins with the Hewlett-Packard’s UNIX (HP-UX). It was based originally on System V release 3. The system initially ran exclusively on the PA-RISC HP 9000 platform.
The Version 1 of HP-UX was released in 1984.

History of HP-UX versions



  • The Version 9, introduced SAM, its character-based graphical user interface (GUI), from which one can administrate the system.

  • The Version 10, was introduced in 1995 and brought some changes in the layout of the system file and directory structure, which made it similar to AT&T SVR4.

  • The Version 11 was introduced in 1997. It was HP’s first release to support 64-bit addressing. But in 2000, this release was rebranded to 11i, as HP introduced operating environments and bundled groups of layered applications for specific Information Technology purposes.

  • In 2001, The Version 11.20 was introduced with support for Itanium systems. The HP-UX was the first UNIX that used ACLs (Access Control Lists) for file permissions and it was also one of the first that introduced built-in support for Logical Volume Manager.

  • Nowadays, HP-UX uses Veritas as primary file system due to the partnership between Veritas and HP. The HP-UX is up to release 11iv3, update 4.


source:

http://www.unixmen.com/brief-history-aix-hp-ux-solaris-bsd-linux/

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