# Ultramarine Linux

> Fedora-based Linux operating system

**Wikidata**: [Q130742031](https://www.wikidata.org/wiki/Q130742031)  
**Source**: https://4ort.xyz/entity/ultramarine-linux

## Summary
Ultramarine Linux is a free, Fedora-based Linux operating system designed for desktop users. It builds upon Fedora's foundation to provide a stable and customizable user experience. As part of the broader Linux ecosystem, it emphasizes open-source principles and user freedom.

## Key Facts
- Based on: Fedora Linux
- Instance of: Linux distribution, free operating system
- Subclass of: Linux
- Website: https://ultramarine-linux.org (language: English)
- Distrowatch ID: ultramarine
- Sitelink count: 2
- Commons category: Ultramarine Linux
- Wikipedia languages: Commons, Russian
- Description: Fedora-based Linux operating system

## FAQs
### Q: What is Ultramarine Linux based on?
A: Ultramarine Linux is based on Fedora Linux. It inherits much of its software stack and configuration from Fedora while offering its own customizations and enhancements.

### Q: Is Ultramarine Linux free to use?
A: Yes, Ultramarine Linux is a free operating system. Users have the freedom to run, study, modify, and redistribute it under open-source licensing terms.

### Q: How does Ultramarine Linux differ from Fedora?
A: While based on Fedora, Ultramarine Linux includes additional tweaks, themes, and configurations aimed at improving usability and aesthetics for general desktop users.

## Why It Matters
Ultramarine Linux plays a role in the diverse landscape of Linux distributions by providing a polished, Fedora-derived option for end users who seek both stability and customization. By building on top of Fedora—a well-established and community-driven Linux distribution—Ultramarine inherits robust package management, frequent updates, and strong upstream support. Its existence contributes to the variety within the Linux ecosystem, allowing users to choose a system tailored to their preferences without sacrificing the core tenets of open-source software. For those familiar with Fedora but seeking subtle improvements or visual refinements, Ultramarine offers an accessible alternative.

## Notable For
- Being specifically built atop Fedora Linux, leveraging its infrastructure and package repositories
- Offering enhanced theming and desktop customization compared to standard Fedora installations
- Maintaining alignment with Fedora’s rapid release cycle while introducing curated modifications
- Supporting core values of free and open-source software through transparent development practices

## Body
### Overview
Ultramarine Linux is a Linux distribution categorized under both "Linux distribution" and "free operating system." It functions as a derivative of Fedora Linux, utilizing many of its core components and design philosophies.

### Technical Foundation
As a member of the Linux family of operating systems, Ultramarine adheres to Unix-like architecture and uses the Linux kernel. The system integrates closely with Fedora's infrastructure, including DNF package management and RPM-based software delivery.

### Relationship to Fedora
Ultramarine Linux explicitly builds upon Fedora Linux, which was first released in 2002. This relationship allows Ultramarine to benefit from Fedora's active development community, security patches, and extensive documentation.

### Availability and Community Presence
The project maintains a web presence at https://ultramarine-linux.org, currently available in English. It has limited cross-language coverage, with sitelinks present only on Wikimedia Commons and the Russian Wikipedia. A dedicated page exists on Distrowatch under the identifier “ultramarine.”

### Licensing and Freedom
Consistent with its classification as a free operating system, Ultramarine Linux upholds the freedoms associated with open-source software: the right to use, copy, distribute, and modify the system. These rights are inherited via its reliance on Fedora and other GNU/Linux components.

## References

1. [Ultramarine 42 Upgrades Are Out Now!. 2025](https://blog.fyralabs.com/ultramarine-42-upgrades/)
2. [Ultramarine 43 is Cooking with Gas. 2025](https://blog.fyralabs.com/ultramarine-43-release/)
3. [Ultramarine Linux 41 is Plugging In. 2025](https://blog.fyralabs.com/ultramarine-linux-41-image-drop/)
4. [Ultramarine Linux 40 Released!. 2024](https://blog.fyralabs.com/ultramarine-40-release/)
5. [Ultramarine Linux 39 Bears a New Release. 2023](https://blog.fyralabs.com/ultramarine-39-released/)
6. [Ultramarine Linux 38 Released. 2023](https://blog.fyralabs.com/ultramarine-38-released/)