# Nut/OS

> modular real-time operating system of the Ethernut project

**Wikidata**: [Q15957685](https://www.wikidata.org/wiki/Q15957685)  
**Source**: https://4ort.xyz/entity/nut-os

## Summary
Nut/OS is a modular, real-time operating system developed by the Ethernut project, designed for embedded Ethernet devices. It is Unix-like, open-source, and supports multiple hardware platforms, including Atmel AVR, AVR32, ARM7, ARM9, and ARM Cortex-M processors.

## Key Facts
- Developed by the Ethernut project, a group focused on open-design embedded Ethernet devices.
- Released in 2000 as an open-source real-time operating system.
- Licensed under the BSD licenses, allowing free use, modification, and redistribution.
- Supports multiple hardware platforms, including Atmel AVR, AVR32, ARM7, ARM9, and ARM Cortex-M.
- Classified as a Unix-like, real-time, and free operating system.
- Available in multiple versions, including 1.0 (2001), 2.2.2 (2002), 5.0.0 (2011), and 5.2.1 (2013).
- Official documentation and user manuals are available for reference.
- Designed for embedded systems requiring minimal delay in data processing.

## FAQs
### Q: What is Nut/OS used for?
A: Nut/OS is used as a real-time operating system for embedded Ethernet devices, supporting tasks requiring minimal delay in data processing.

### Q: Is Nut/OS open-source?
A: Yes, Nut/OS is open-source and licensed under the BSD licenses, allowing free use, modification, and redistribution.

### Q: Which hardware platforms does Nut/OS support?
A: Nut/OS supports Atmel AVR, AVR32, ARM7, ARM9, and ARM Cortex-M processors.

### Q: What are the available versions of Nut/OS?
A: Nut/OS has been released in versions 1.0 (2001), 2.2.2 (2002), 5.0.0 (2011), and 5.2.1 (2013).

### Q: Where can I find documentation for Nut/OS?
A: Documentation and user manuals for Nut/OS are available on the official website and include resources such as the Ethernut System with Nut/OS User Manual.

## Why It Matters
Nut/OS plays a significant role in the embedded systems and real-time operating systems domain by providing a modular, open-source solution for Ethernet-based devices. Its Unix-like design and support for multiple hardware platforms make it a versatile choice for developers working on embedded applications. By being open-source, Nut/OS encourages community contributions and customization, fostering innovation in real-time systems. Its real-time capabilities ensure minimal delay in data processing, making it suitable for applications requiring immediate response times. The project's focus on open design aligns with the broader movement towards accessible and collaborative development in the embedded systems field.

## Notable For
- Being one of the first open-source real-time operating systems for embedded Ethernet devices.
- Supporting a wide range of hardware platforms, including Atmel AVR, AVR32, ARM7, ARM9, and ARM Cortex-M.
- Providing modular design for flexibility in embedded system development.
- Offering extensive documentation and user manuals for practical implementation.
- Licensed under the BSD licenses, promoting free use, modification, and redistribution.

## Body
### Overview
Nut/OS is a modular real-time operating system developed by the Ethernut project, designed for embedded Ethernet devices. It is Unix-like and open-source, licensed under the BSD licenses, allowing free use, modification, and redistribution. The operating system supports multiple hardware platforms, including Atmel AVR, AVR32, ARM7, ARM9, and ARM Cortex-M.

### Development and Release
Nut/OS was first released in 2000 and has since been developed by the Ethernut project, which focuses on open-design embedded Ethernet devices. The project has released several versions of Nut/OS, including 1.0 in 2001, 2.2.2 in 2002, 5.0.0 in 2011, and 5.2.1 in 2013.

### Features and Capabilities
Nut/OS is classified as a Unix-like, real-time, and free operating system. It is designed for embedded systems requiring minimal delay in data processing, making it suitable for applications where immediate response times are critical. The operating system's modular design allows for flexibility in embedded system development.

### Documentation and Support
The Ethernut project provides extensive documentation and user manuals for Nut/OS, including the Ethernut System with Nut/OS User Manual. These resources are available for reference and practical implementation.

### Applications and Impact
Nut/OS has been notable for its role in the embedded systems and real-time operating systems domain. Its open-source nature and support for multiple hardware platforms make it a versatile choice for developers working on embedded applications. The project's focus on open design aligns with the broader movement towards accessible and collaborative development in the embedded systems field.

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  "@type": "Thing",
  "name": "Nut/OS",
  "description": "Modular real-time operating system of the Ethernut project",
  "url": "http://ethernut.de/en/firmware/nutos.html",
  "sameAs": ["http://www.egnite.de/en/product-overview/embedded-systems-ethernut-nutos/nutos-open-source-rtos/"],
  "additionalType": ["RealTimeOperatingSystem", "FreeOperatingSystem", "UnixLikeOperatingSystem"]
}

## References

1. [Source](http://www.egnite.de/en/product-overview/embedded-systems-ethernut-nutos/nutos-open-source-rtos/)