# KnightOS

> open-source Unix-like operating system for calculators

**Wikidata**: [Q83828051](https://www.wikidata.org/wiki/Q83828051)  
**Source**: https://4ort.xyz/entity/knightos

## Summary
KnightOS is an open-source, Unix-like operating system specifically designed for calculators. It provides users with the freedom to use, copy, modify, and redistribute the software.

## Key Facts
*   KnightOS is an open-source Unix-like operating system for calculators.
*   It is licensed under the MIT License.
*   The latest known version is 0.3.0, released on October 20, 2014.
*   KnightOS runs on TI-73 series, TI-83 series, and TI-84 Plus series graphing calculators.
*   It is primarily programmed in assembly language.
*   KnightOS is classified as a free operating system and free and open-source software.
*   Its official website is knightos.org.

## FAQs
### Q: What is KnightOS?
A: KnightOS is an open-source, Unix-like operating system specifically developed for use on calculators. It grants users freedoms to use, copy, modify, and redistribute its software.

### Q: Which calculators support KnightOS?
A: KnightOS is designed to run on TI-73 series, TI-83 series, and TI-84 Plus series graphing calculators.

### Q: What programming language is KnightOS written in?
A: KnightOS is primarily written in assembly language.

### Q: What is the latest known version of KnightOS?
A: The latest known version of KnightOS is 0.3.0, which was released on October 20, 2014.

### Q: Is KnightOS open-source?
A: Yes, KnightOS is an open-source operating system, licensed under the MIT License, and is classified as free and open-source software.

## Why It Matters
KnightOS is significant as it provides an open-source, Unix-like operating system alternative for graphing calculators, a category of devices often characterized by proprietary and closed software environments. By offering a free operating system, KnightOS empowers users with the ability to understand, modify, and extend the functionality of their calculators, fostering a more open and customizable computing experience on these specialized devices. Its development in assembly language for specific TI calculator series demonstrates a deep engagement with the hardware, potentially unlocking new capabilities or efficiencies not available with the stock operating systems. This project contributes to the broader free and open-source software movement by extending its principles to a niche but widely used class of hardware.

## Notable For
*   Being an open-source, Unix-like operating system specifically developed for graphing calculators.
*   Supporting multiple popular Texas Instruments calculator series, including the TI-73, TI-83, and TI-84 Plus.
*   Its primary development in assembly language, indicating low-level hardware interaction.
*   Providing a free operating system alternative, granting users freedoms to use, copy, modify, and redistribute the software.

## Body

### Overview
KnightOS is an open-source, Unix-like operating system tailored for use on calculators. It is designed to behave similarly to a Unix system, offering a familiar environment for users accustomed to such operating systems. As a free operating system, KnightOS provides users with specific freedoms regarding its use, copying, modification, and redistribution.

### Technical Specifications
*   **Programming Language**: KnightOS is primarily programmed using assembly language.
*   **License**: The software is distributed under the MIT License.
*   **Copyright Status**: KnightOS is copyrighted.
*   **Source Code Repository**: The official source code repository is located at https://github.com/KnightOS/KnightOS. The GitHub username associated with the project is KnightOS.

### Supported Platforms
KnightOS is designed to run on several series of Texas Instruments graphing calculators:
*   TI-73 series
*   TI-83 series
*   TI-84 Plus series

### Development and Releases
KnightOS has seen several official releases:
*   **Version 0.1.0**: Released on June 23, 2013.
*   **Version 0.2.0**: Released on November 14, 2013.
*   **Version 0.3.0**: The latest known version, released on October 20, 2014.

### Classification
KnightOS is classified as:
*   A free operating system
*   A Unix-like operating system
*   Free and open-source software

### Project Information
*   **Official Website**: https://knightos.org

```json
{
  "@context": "https://schema.org",
  "@type": "Thing",
  "name": "KnightOS",
  "description": "An open-source Unix-like operating system for calculators.",
  "url": "https://knightos.org"
}

## References

1. [GitHub](https://github.com/KnightOS/KnightOS/blob/master/LICENSE)
2. [Source](https://drewdevault.com//2020/01/27/KnightOS-was-interesting.html)
3. [Release 0.1.0. 2013](https://github.com/KnightOS/KnightOS/releases/tag/0.1.0)
4. [Release 0.2.0. 2013](https://github.com/KnightOS/KnightOS/releases/tag/0.2.0)
5. [Release 0.3.0. 2014](https://github.com/KnightOS/KnightOS/releases/tag/0.3.0)
6. [Source](https://github.com/KnightOS/KnightOS)