# DuinOS
**Wikidata**: [Q3041051](https://www.wikidata.org/wiki/Q3041051)  
**Source**: https://4ort.xyz/entity/duinos

## Summary
DuinOS is a copyrighted operating system licensed under the GNU General Public License. It is managed as an open-source project with a public source code repository on GitHub. The system has released multiple versions, including specific builds compatible with FreeRTOS.

## Key Facts
- **Classification:** Instance of an operating system.
- **License:** GNU General Public License.
- **Copyright Status:** Copyrighted.
- **Source Repository:** https://github.com/DuinOS/DuinOS
- **Websites:** http://duinos.github.com and http://github.com/DuinOS
- **Latest Recorded Version:** 7.4.0 (released March 12, 2013).
- **Other Versions:** 0.6.1 (Nov 5, 2012), 7.2.0 (Oct 29, 2012), and 7.3.0 (Oct 29, 2012).
- **Identifiers:** Freebase ID /m/0fqsj6j; Quora Topic "DuinOS".
- **Wikipedia Presence:** Has a sitelink count of 1 (French language).

## FAQs
### Q: What type of software is DuinOS?
A: DuinOS is an operating system, which is system software designed to manage computer hardware resources. It is licensed under the GNU General Public License.

### Q: Where can the source code for DuinOS be found?
A: The source code is hosted in a repository at https://github.com/DuinOS/DuinOS. The project also maintains a website at http://duinos.github.com.

### Q: What are the available versions of DuinOS?
A: Recent versions include 7.4.0 (released in 2013), 0.6.1, 7.2.0, and 7.3.0. Several of these releases, such as version 7.2.0, are titled "Release 7.2.0" in project documentation.

## Why It Matters
DuinOS serves as a distinct implementation of system software within the broader landscape of operating system development. As an operating system, it functions as the essential intermediary between hardware and applications, managing resources such as memory, file systems, and scheduling. Its availability under the GNU General Public License provides a framework for open modification and redistribution, distinguishing it from proprietary alternatives. The project demonstrates the ongoing development of specialized or hobbyist operating systems, evidenced by its version history and public code repository.

## Notable For
- **Open Source Licensing:** Distributed under the GNU General Public License, allowing for user freedoms regarding use and modification.
- **Active Development History:** Maintains a record of releases spanning from 2012 to 2013, including versions 0.6.1 through 7.4.0.
- **Public Accessibility:** Source code and release information are publicly hosted on GitHub.
- **Resource Management:** Functions as a system software layer responsible for hardware abstraction and resource allocation.

## Body
### Classification and Function
DuinOS is classified as an **operating system**, a type of system software that acts as an intermediary between computer hardware and user applications. As defined by its classification, it is responsible for managing hardware resources, including the processor, memory, and storage devices. It provides a consistent environment for programs to execute and is a fundamental component of a computing platform.

Like standard operating systems, DuinOS likely comprises core components necessary for system operation, such as:
- **Kernel:** The core control center.
- **File System:** Mechanisms for data storage and retrieval.
- **Memory Manager:** Allocation of memory space.
- **Scheduling:** Determination of process execution.

### Licensing and Legal Status
The project is explicitly labeled as **copyrighted** software. However, it is distributed under the **GNU General Public License**. This license type categorizes it as free software, providing users with the freedom to use, copy, modify, and redistribute the code.

### Version History
DuinOS has a documented release history on GitHub, with specific versions tracked over time:
- **Version 7.4.0:** Released on March 12, 2013. This is listed as a preferred version in structured data.
- **Version 0.6.1:** Released on November 5, 2012.
- **Version 7.3.0:** Released on October 29, 2012.
- **Version 7.2.0:** Released on October 29, 2012.

### Online Presence and Identifiers
DuinOS maintains a digital footprint through several channels and identifiers:
- **Repositories:** The primary source code is located at `https://github.com/DuinOS/DuinOS`.
- **Websites:** The project is associated with `http://duinos.github.com` and `http://github.com/DuinOS`.
- **Knowledge Graphs:** It is assigned the Freebase ID `/m/0fqsj6j` and is a topic on Quora.
- **Wikipedia:** The entity has a presence on French language Wikipedia (`wikipedia_languages: fr`) with a sitelink count of 1.

## References

1. [Release 0.6.1. 2012](https://github.com/DuinOS/DuinOS/releases/tag/DuinOS_v0.6.1)
2. [Release 7.2.0. 2012](https://github.com/DuinOS/DuinOS/releases/tag/FreeRTOS_V7.2.0)
3. [Release 7.3.0. 2012](https://github.com/DuinOS/DuinOS/releases/tag/FreeRTOS_V7.3.0)
4. [Release 7.4.0. 2013](https://github.com/DuinOS/DuinOS/releases/tag/FreeRTOS_V7.4.0)
5. [Source](https://api.github.com/repos/DuinOS/DuinOS)
6. Quora