HP-UX is a discontinued proprietary implementation of the Unix operating system developed by Hewlett Packard Enterprise. It is based on Unix System V and was first released in 1984; its final versions supported HPE Integrity Servers based on Intel's Itanium architecture.
Facts
SignificanceFirst Unix to offer access-control lists for file access permissions 1 Classification
LicenseProprietary (Closed Source) 2 Connections
In the Other Atlases
Developed By
Also in Business Atlas: the developer of this subject.
Sources
1. Wikipedia: HP-UX
Lead section
HP-UX was the first Unix to offer access-control lists for file access permissions as an alternative to the standard Unix permissions system.
Lead section
HP-UX (from "Hewlett Packard Unix") is a discontinued proprietary implementation of the Unix operating system developed by Hewlett Packard Enterprise, now out of standard support (Mature Support on HPE Integrity without Sustaining Engineering through at least 2028); the final versions support HPE Integrity Servers, based on Intel's Itanium architecture.
In Field: Operating Systems, Lead sentence
HP-UX (from "Hewlett Packard Unix") is a discontinued proprietary implementation of the Unix operating system developed by Hewlett Packard Enterprise, now out of standard support (Mature Support on HPE Integrity without Sustaining Engineering through at least
View the Source2. Wikidata: HP-UX
- Wikidata Q847593, class allow-list match (w-wdresolver-0926)
- Wikidata Q847593 P275 (license)
- Wikidata Q847593 P577 (publication/release date) claim -> 1984; checked 2026-09-28
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