# Debian GNU/Hurd

> Hurd-based GNU variant from the Debian project

**Wikidata**: [Q2086463](https://www.wikidata.org/wiki/Q2086463)  
**Source**: https://4ort.xyz/entity/debian-gnu-hurd

## Summary
Debian GNU/Hurd is a free operating system distribution based on the GNU Hurd kernel, developed as part of the Debian project. It provides a complete GNU operating system using the Hurd microkernel architecture instead of the more common Linux kernel. The project has released multiple versions since 2017, with the latest being version 2025 released on August 10, 2025.

## Key Facts
- Latest version: 2025 (released August 10, 2025)
- Previous versions: 9.0 (2017), 10.0 (2019), 2021 (2021), 2023 (2023)
- License: GNU General Public License
- Package management system: dpkg
- Website: https://www.debian.org/ports/hurd (available in English, Italian, and Japanese)
- Architecture support: hurd-i386 and hurd-amd64 (as of version 2025)
- Instance of: operating system distribution and free operating system
- Based on: GNU Hurd kernel
- Wikidata sitelink count: 17

## FAQs
### Q: What is the difference between Debian GNU/Hurd and regular Debian?
A: Debian GNU/Hurd uses the GNU Hurd microkernel instead of the Linux kernel, making it a different kernel-based variant of the Debian operating system while maintaining the same package management and userland tools.

### Q: Is Debian GNU/Hurd still actively developed?
A: Yes, Debian GNU/Hurd continues to receive updates and new releases, with version 2025 released in August 2025, demonstrating ongoing development and maintenance.

### Q: What architectures does Debian GNU/Hurd support?
A: As of version 2025, Debian GNU/Hurd supports both hurd-i386 and hurd-amd64 architectures, expanding beyond the original i386-only support.

## Why It Matters
Debian GNU/Hurd represents an important alternative implementation of the GNU operating system, demonstrating the flexibility of the GNU project's design philosophy. By providing a complete operating system based on the Hurd microkernel rather than Linux, it serves as a proof-of-concept for microkernel-based systems and maintains the original vision of a fully free GNU system. The project contributes to the diversity of free software ecosystems and provides valuable testing ground for microkernel technologies. Its continued development shows the viability of the Hurd kernel and offers users an alternative to Linux-based systems while maintaining compatibility with Debian's extensive package repositories and management tools.

## Notable For
- One of the few complete operating systems using the GNU Hurd microkernel
- Maintains full Debian compatibility while using a different kernel architecture
- Provides a fully free GNU system as originally envisioned by the GNU project
- Supports multiple architectures including modern 64-bit systems
- Demonstrates the viability of microkernel-based operating systems in practical use

## Body
### Technical Foundation
Debian GNU/Hurd is built on the GNU Hurd microkernel, which provides a different architectural approach compared to monolithic kernels like Linux. The Hurd kernel implements a multiserver microkernel design where core operating system services run as user-space processes rather than kernel-space components.

### Release History
The project has maintained a consistent release schedule since 2017, with version 9.0 released on June 13, 2017, followed by version 10.0 on June 27, 2019. Subsequent releases included version 2021 on August 14, 2021, version 2023 on June 12, 2023, and the current version 2025 on August 10, 2025.

### Package Management
Debian GNU/Hurd uses the dpkg package management system, maintaining compatibility with Debian's extensive software repositories. This allows users to access thousands of pre-compiled packages while running on the Hurd kernel.

### Architecture Support
Initially supporting only the i386 architecture, Debian GNU/Hurd expanded to include hurd-amd64 support starting with version 2025, demonstrating the project's evolution to support modern hardware platforms.

### Licensing and Freedom
The distribution is fully licensed under the GNU General Public License, ensuring that all components remain free software. This aligns with the original goals of the GNU project to create a completely free operating system.

### Community and Development
Development is coordinated through the Debian project infrastructure, with releases announced through official Debian mailing lists. The project maintains documentation in multiple languages including English, Italian, and Japanese, reflecting its international development community.

## References

1. [Debian GNU/Hurd 2017 released!. 2017](https://lists.debian.org/debian-hurd/2017/06/msg00017.html)
2. [Debian GNU/Hurd 2019 released!. 2019](https://lists.debian.org/debian-hurd/2019/07/msg00001.html)
3. [Debian GNU/Hurd 2021 released!. 2021](https://lists.gnu.org/archive/html/bug-hurd/2021-08/msg00055.html)
4. [Debian GNU/Hurd 2023 released!. 2023](https://lists.gnu.org/archive/html/bug-hurd/2023-06/msg00038.html)
5. [Debian GNU/Hurd 2025 released!. 2025](https://lists.gnu.org/archive/html/bug-hurd/2025-08/msg00008.html)
6. Freebase Data Dumps. 2013