# Xinuos OpenServer

> closed source version of Unix developed by Xinuos, formerly SCO

**Wikidata**: [Q1755887](https://www.wikidata.org/wiki/Q1755887)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/OpenServer)  
**Source**: https://4ort.xyz/entity/xinuos-openserver

## Summary
Xinuos OpenServer is a closed-source Unix-like operating system originally developed at the Santa Cruz Operation and later maintained by Xinuos (formerly SCO). It is a proprietary, System V–derived Unix product certified to the Single UNIX Specification and distributed for IA-32 platforms.

## Key Facts
- Instance: Unix-like operating system and proprietary operating system.  
- Primary description: closed source version of Unix developed by Xinuos, formerly SCO.  
- Initial inception: 1989.  
- Developers: Santa Cruz Operation (original developer; Santa Cruz-based software company, inception 1979) and Xinuos (American software company; inception circa 2009).  
- Follows / lineage: follows Xenix (a discontinued Unix version published by Microsoft).  
- Based on: UNIX System V and FreeBSD.  
- Platform: IA-32 (third generation of x86 architecture).  
- Runs on / Requires: High Throughput File System (HTFS) and Wabi.  
- License: proprietary license (closed-source).  
- Version: 10.3 (version qualifier: 2016).  
- Product certification: Single UNIX Specification.  
- Copyright status: copyrighted.  
- Website: http://www.xinuos.com/menu-products/openserver-10.  
- Logo: https://commons.wikimedia.org/wiki/Special:FilePath/OpenServer_logo.svg.  
- Aliases: SCO UNIX; SCO OpenServer; SCO OpenDesktop; SCO ODT; OpenServer; SCO Open Desktop.  
- Freebase ID: /m/05d06b (publication reference: 2013-10-28).  
- Open Library subject ID: sco_openserver.  
- Wikipedia title: OpenServer.  
- Commons category: OpenServer.  
- Wikidata sitelink count: 18.  
- Wikipedia languages available: ca, commons, cs, de, en, es, fr, it, ja, ko, nl, no, pl, pt, ru, sv, tr, zh.  
- Wikidata short description: closed source version of Unix developed by Xinuos, formerly SCO.

## FAQs
Q: What is Xinuos OpenServer?  
A: Xinuos OpenServer is a proprietary, closed-source Unix-like operating system originally created by the Santa Cruz Operation and later maintained by Xinuos.

Q: Who develops and maintains OpenServer?  
A: The operating system was developed by the Santa Cruz Operation and is now associated with Xinuos, an American software company whose formation is recorded around 2009.

Q: What is OpenServer based on and what is its lineage?  
A: OpenServer is based on UNIX System V and FreeBSD and follows the earlier Xenix lineage; Xenix was a discontinued Unix version published by Microsoft.

Q: Which hardware platform does OpenServer target?  
A: OpenServer targets the IA-32 platform (the third generation of x86 architecture).

Q: Is OpenServer open source or proprietary?  
A: OpenServer is released under a proprietary license and is a closed-source product; its copyright status is listed as copyrighted.

Q: Does OpenServer hold any formal Unix certification?  
A: Yes. OpenServer has product certification under the Single UNIX Specification.

Q: What is the latest recorded version and date for OpenServer in the provided data?  
A: The recorded version is 10.3, with a qualifier indicating 2016.

Q: Where can I find official information or the product page?  
A: The recorded product website is http://www.xinuos.com/menu-products/openserver-10.

## Why It Matters
Xinuos OpenServer represents a commercial, closed-source branch of the Unix tradition that preserves and continues the UNIX System V lineage while incorporating elements from FreeBSD. Its certification to the Single UNIX Specification signals conformance to established Unix standards, making it relevant for organizations that require officially recognized Unix environments. As a proprietary product developed first by the Santa Cruz Operation and later maintained by Xinuos, OpenServer embodies continuity of legacy Unix deployments on IA-32 hardware and occupies a distinct role among Unix-like systems by providing a vendor-supported, closed-source alternative to open Unix implementations.

## Notable For
- Being a closed-source, proprietary Unix-like operating system that continued the commercial Unix tradition.  
- Direct technical heritage from UNIX System V combined with influences from FreeBSD.  
- Formal certification to the Single UNIX Specification.  
- Long lineage that follows Xenix, a discontinued Microsoft-published Unix variant.  
- Targeting the IA-32 platform.  
- Being developed originally by the Santa Cruz Operation (SCO) and later associated with Xinuos.  
- Use of components/requirements such as the High Throughput File System (HTFS) and Wabi.  
- Multiple product aliases linking it to SCO branding (SCO UNIX, SCO OpenServer, SCO OpenDesktop, SCO ODT).

## Body

### Overview
Xinuos OpenServer is a proprietary Unix-like operating system with origins in the commercial Unix ecosystem. It is listed as a closed-source Unix release and appears under several SCO-branded aliases. The product is presented and documented under the Wikipedia title "OpenServer" and categorized on Wikimedia Commons in the OpenServer category.

### History and Development
- Inception: OpenServer's recorded inception year is 1989.  
- Original developer: The Santa Cruz Operation, a software company based in Santa Cruz, United States, founded in 1979, is recorded as an original developer.  
- Later developer/maintainer: Xinuos, identified as an American software company with an inception around 2009, is recorded as the later developer/owner.  
- Naming and branding: The product carries multiple aliases that tie it to the SCO brand: SCO UNIX, SCO OpenServer, SCO OpenDesktop, SCO ODT, OpenServer, and SCO Open Desktop.

### Lineage and Influences
- Follows Xenix: OpenServer follows Xenix, which is described as a discontinued Unix version that was published by Microsoft. This places OpenServer within the broader family tree of commercial Unices that evolved through 1980s and 1990s corporate Unix distributions.  
- Based on UNIX System V: UNIX System V is explicitly named as a base for OpenServer. System V is noted as a highly referenced Unix version and as an important starting point for POSIX and the Single UNIX Specification.  
- Based on FreeBSD: FreeBSD is also listed as a basis for OpenServer; FreeBSD itself has an inception date recorded as 1993-11-01 in the provided material.

### Technical Architecture and Platforms
- Platform target: IA-32 (the third generation of x86 architecture) is listed as the platform for OpenServer.  
- Filesystem and runtime components: The High Throughput File System (HTFS) is listed among the file systems OpenServer runs on or requires. Wabi is also listed as a required/related component; Wabi is a product that implements Microsoft Windows API specifications and was produced by Sun Microsystems.  
- Versioning: The dataset records a version value of 10.3 with a qualifier indicating 2016.

### Licensing, Certification, and Copyright
- License: OpenServer is distributed under a proprietary license. The related definition describes a proprietary license as one in which the copyright holder retains most rights exclusively.  
- Certification: OpenServer holds product certification to the Single UNIX Specification, indicating conformance to a formal Unix standard.  
- Copyright status: The product is recorded as copyrighted.

### Ecosystem and Related Projects
- Related operating systems: FreeBSD and UNIX System V are direct bases; Xenix is identified as a predecessor in the broader lineage.  
- Developer organizations:  
  - Santa Cruz Operation: listed with inception 1979, country United States, headquartered in Santa Cruz, industry described as software.  
  - Xinuos: listed as an American software company with inception roughly 2009 and an industry classification recorded.  
- Interoperability components: Wabi, a Windows-API implementation, is included among run/require items, suggesting support for Windows-API compatibility layers in the product environment.  
- Filesystem support: High Throughput File System (HTFS) is specifically referenced.

### Identifiers, Resources, and Assets
- Official website: http://www.xinuos.com/menu-products/openserver-10.  
- Logo asset: https://commons.wikimedia.org/wiki/Special:FilePath/OpenServer_logo.svg.  
- Freebase identifier: /m/05d06b (reference dated 2013-10-28).  
- Open Library subject ID: sco_openserver.  
- Wikimedia presence: Commons category "OpenServer" and a Wikipedia title "OpenServer". The product has sitelinks in 18 languages and the following Wikipedia languages listed: ca, commons, cs, de, en, es, fr, it, ja, ko, nl, no, pl, pt, ru, sv, tr, zh.

### Classification and Metadata
- Instance of: Unix-like operating system and proprietary operating system.  
- Wikidata short description: "closed source version of Unix developed by Xinuos, formerly SCO."  
- Sitelink count: 18 (as recorded in the provided data).  
- Product certification: Single UNIX Specification (explicitly recorded).

### Related Entities (concise profiles)
- Santa Cruz Operation (SCO): Software company based in Santa Cruz, United States; recorded inception 1979; original developer listed for OpenServer.  
- Xinuos: American software company; recorded inception approximately 2009; listed as a later developer/owner of OpenServer.  
- Xenix: Discontinued Unix version published by Microsoft; listed as the predecessor/followed lineage for OpenServer.  
- UNIX System V: A major Unix variant identified as a base for OpenServer and a reference point for POSIX/Single UNIX Specification.  
- FreeBSD: A free Unix-like operating system with recorded inception 1993-11-01; listed as a base influence for OpenServer.  
- IA-32: The third generation of x86 architecture; listed as OpenServer's platform.  
- High Throughput File System (HTFS): A filesystem listed under runs on/requires.  
- Wabi: A Windows API implementation product from Sun Microsystems listed among required/related components.

### Usage and Positioning
- Market positioning: The product is presented as a proprietary, certified Unix system in the commercial Unix landscape.  
- Branding: Multiple SCO-branded aliases reflect historical branding and positioning within the SCO product family.

This entry compiles the available structured facts, relationships, versions, technical dependencies, identification records, developer histories, and classification metadata for Xinuos OpenServer as provided in the source material.

## References

1. Freebase Data Dumps. 2013