# Tru64 UNIX

> operating system

**Wikidata**: [Q204214](https://www.wikidata.org/wiki/Q204214)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Tru64_UNIX)  
**Source**: https://4ort.xyz/entity/tru64-unix

## Summary

Tru64 UNIX is a Unix-like operating system. It was established on January 1, 1992.

## Summary
Tru64 UNIX is a proprietary Unix-like operating system originally developed by Digital Equipment Corporation and later developed by Compaq, Hewlett-Packard, and IBM. It is based on OSF/1 and was designed to run on DEC Alpha systems, including AlphaServer hardware.

## Key Facts
- Tru64 UNIX is a **Unix-like operating system** and also categorized as **proprietary software**.
- It is **based on OSF/1** (a Unix variant developed by the Open Software Foundation).
- **Initial inception date:** **1992-01-01**.
- **Original developer:** **Digital Equipment Corporation** (developer role with an **end time of 1998**).
- **Subsequent developers:** **Compaq** (**1998–2002**), **Hewlett-Packard** (**start time 2002**), and **IBM**.
- **Platforms:** **DEC Alpha**; associated hardware includes **AlphaServer**.
- **Replaces:** **Ultrix**.
- **License:** **proprietary license**; **copyright status:** copyrighted.
- **Aliases:** **OSF/1**, **Digital UNIX**, **DEC OSF/1 AXP**, **HP Tru64 UNIX**.
- **Official website (as listed):** http://h30097.www3.hp.com/ (English).

## FAQs
### Q: What is Tru64 UNIX?
A: Tru64 UNIX is a proprietary Unix-like operating system based on OSF/1. It was developed across multiple companies over time, including Digital Equipment Corporation, Compaq, Hewlett-Packard, and IBM.

### Q: What hardware does Tru64 UNIX run on?
A: Tru64 UNIX runs on the DEC Alpha platform and is associated with AlphaServer systems. The provided sources also list it as running on systems such as ASCI Q and multiple XP/S-series entries.

### Q: Who developed Tru64 UNIX?
A: Digital Equipment Corporation developed Tru64 UNIX initially (through 1998). Development is also attributed to Compaq (1998–2002), Hewlett-Packard (from 2002), and IBM.

### Q: Is Tru64 UNIX the same as Digital UNIX or OSF/1?
A: “Digital UNIX” and “OSF/1” are listed as aliases for Tru64 UNIX in the provided material. Tru64 UNIX is also explicitly described as being based on OSF/1.

## Why It Matters
Tru64 UNIX matters as a notable proprietary Unix-like operating system lineage tied to the DEC Alpha ecosystem and the OSF/1 family. Its significance is closely connected to its role as a successor to Ultrix and as an operating system associated with AlphaServer hardware, reflecting a specific era of Unix deployments on DEC Alpha platforms. The operating system’s development history also reflects major transitions in the computing industry: it is attributed to multiple prominent technology companies over time—Digital Equipment Corporation, Compaq, Hewlett-Packard, and IBM—indicating continuity of a platform across corporate changes. For practitioners and historians of Unix and enterprise computing, Tru64 UNIX is relevant as an example of an OSF/1-based commercial Unix offering, distributed in formats such as CD-ROM and documented across multiple language editions of Wikipedia. In practical terms, it represents a Unix-like environment designed for specific hardware platforms (DEC Alpha/AlphaServer), illustrating how operating systems were often tightly coupled to processor architectures and vendor systems.

## Notable For
- A **proprietary Unix-like operating system** explicitly **based on OSF/1**.
- Strong association with the **DEC Alpha** platform and **AlphaServer** systems.
- A clear product lineage: it **replaces Ultrix**.
- Known under multiple historical and vendor-linked names, including **Digital UNIX** and **DEC OSF/1 AXP**.
- Development attribution spans multiple major companies: **Digital Equipment Corporation**, **Compaq**, **Hewlett-Packard**, and **IBM**.

## Body
### Classification and identity
- Name: **Tru64 UNIX**
- Type: **Unix-like operating system**
- Software category: **proprietary software**
- Copyright status: **copyrighted**
- License: **proprietary license**
- Country associated (as listed): **United States**
- Main category: **Category:Tru64** (topic’s main category)
- Commons category: **Tru64**

### Lineage and base system
- Tru64 UNIX is **based on OSF/1**.
- It is listed with aliases that reflect its lineage and branding:
  - **OSF/1**
  - **Digital UNIX**
  - **DEC OSF/1 AXP**
  - **HP Tru64 UNIX**
- It **replaces Ultrix**.

### Development and stewardship
Development attribution in the provided material includes:
- **Digital Equipment Corporation** (developer; **end time: 1998**)
- **Compaq** (developer; **start time: 1998**, **end time: 2002**)
- **Hewlett-Packard** (developer; **start time: 2002**)
- **IBM** (developer; no time qualifiers provided)

### Platforms and systems
- Platform: **DEC Alpha**
- Hardware/system association: **AlphaServer**
- Additional “runs on / requires” entries listed in the source material include:
  - **ASCI Q**
  - Multiple **XP/S** and **XP/S-MP** systems (as enumerated in the provided list)

### Distribution and media
- Distribution format: **CD-ROM**
- Images referenced in the source material:
  - Digital Unix distribution media (Commons file)
  - DigitalUNIX (Commons file)

### Web presence and identifiers
- Website (listed): **http://h30097.www3.hp.com/** (English)
- Freebase ID: **/m/09jt8**
- Wikipedia title: **Tru64 UNIX**
- Wikipedia languages listed: **cs, de, en, es, fa, fi, fr, hu, it, ja**

## Schema Markup
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  "@type": "Thing",
  "name": "Tru64 UNIX",
  "description": "Tru64 UNIX is a proprietary Unix-like operating system based on OSF/1 and associated with the DEC Alpha/AlphaServer platform.",
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  "sameAs": [
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## References

1. Freebase Data Dumps. 2013