# Lilith

> operating system

**Wikidata**: [Q79435553](https://www.wikidata.org/wiki/Q79435553)  
**Source**: https://4ort.xyz/entity/lilith-q79435553

## Summary
Lilith is an operating system written in the Crystal programming language. It is classified as free software and is distributed under the MIT License. The project was actively developed in 2019, hosting its source code and issue tracking on GitHub.

## Key Facts
- **Entity Type:** Operating System, Free Software.
- **Programming Language:** Crystal.
- **License:** MIT License.
- **Source Repository:** https://github.com/ffwff/lilith
- **Issue Tracker:** https://github.com/ffwff/lilith/issues
- **Initial Release:** Version 0.0.1 released on August 28, 2019.
- **Subsequent Releases:** Versions 0.0.2, 0.0.3, 0.0.31, 0.0.4, and 0.0.5 were released between September and December 2019.
- **Copyright Status:** Copyrighted.
- **Platform Identifier:** Q272629 (x86-64).

## FAQs
### Q: What programming language is Lilith written in?
A: Lilith is written in the Crystal programming language.

### Q: Is Lilith free to use?
A: Yes, Lilith is classified as free software and is released under the MIT License.

### Q: Where can the source code for Lilith be found?
A: The source code is hosted on GitHub at https://github.com/ffwff/lilith.

### Q: When was the first version of Lilith released?
A: The first version, 0.0.1, was released on August 28, 2019.

## Why It Matters
Lilith represents a niche but technically significant approach to operating system development by utilizing the Crystal programming language. While most mainstream operating systems are written in C, C++, or Rust, Lilith demonstrates the viability of Crystal—a language that offers Ruby-like syntax with C-like performance—for system-level programming and hardware resource management.

As an open-source project licensed under MIT, it contributes to the ecosystem of free software, allowing developers to study, modify, and distribute the code. The project's active release cycle in 2019 suggests a period of rapid iteration and development, providing a case study for building operating systems with modern, high-level compiled languages.

## Notable For
- **Language Choice:** Distinct for being an operating system written in Crystal, a less common choice for OS development compared to C or Assembly.
- **Licensing:** Distributed under the permissive MIT License, encouraging open collaboration and reuse.
- **Rapid Development:** Released five distinct versions (0.0.1 through 0.0.5) within a four-month period in 2019.
- **Open Source:** Fully open-source with a public repository and issue tracker on GitHub.

## Body
### Overview
Lilith is an operating system designed to manage computer hardware resources. It functions as the interface between the user and the computer hardware, handling tasks such as process management, memory allocation, and device control. The system is distinct for its implementation using the Crystal programming language.

### Development and Release History
The development of Lilith is documented through a series of releases in 2019. The project follows a semantic versioning scheme during its initial development phase.

- **Version 0.0.1:** Released on August 28, 2019. This marked the initial public availability of the operating system.
- **Version 0.0.2:** Released on September 21, 2019.
- **Version 0.0.3:** Released on October 16, 2019.
- **Version 0.0.31:** Released on October 18, 2019. This version is marked as a "preferred" release in structured data records.
- **Version 0.0.4:** Released on November 20, 2019.
- **Version 0.0.5:** Released on December 23, 2019.

### Technical Specifications
Lilith is built on a foundation of free software principles. Key technical attributes include:
- **Programming Language:** The entire operating system is written in Crystal.
- **License:** The project uses the MIT License, a permissive free software license originating at the Massachusetts Institute of Technology.
- **Repository:** The codebase is maintained at `github.com/ffwff/lilith`.
- **Platform:** The OS targets the platform identified by Wikidata ID Q272629.

## References

1. [GitHub](https://github.com/ffwff/lilith/blob/master/LICENSE)
2. [Release 0.0.1. 2019](https://github.com/ffwff/lilith/releases/tag/0.0.1)
3. [Release 0.0.2. 2019](https://github.com/ffwff/lilith/releases/tag/0.0.2)
4. [Release 0.0.3. 2019](https://github.com/ffwff/lilith/releases/tag/0.0.3)
5. [Release 0.0.4. 2019](https://github.com/ffwff/lilith/releases/tag/0.0.4)
6. [Release 0.0.5. 2019](https://github.com/ffwff/lilith/releases/tag/0.0.5)
7. [Release 0.0.31. 2019](https://github.com/ffwff/lilith/releases/tag/0.0.31)