# rush

> tool similar to GNU parallel

**Wikidata**: [Q110412431](https://www.wikidata.org/wiki/Q110412431)  
**Source**: https://4ort.xyz/entity/rush-q110412431

## Summary
Rush is a free, open-source tool similar to GNU Parallel, designed to execute commands in parallel across multiple CPU cores. It is written in Go and distributed under the Expat license, making it a lightweight alternative for parallel processing tasks on Unix-like systems.

## Key Facts
- **License**: Distributed under the Expat license (MIT-like), allowing free use, modification, and distribution.
- **Programming Language**: Written in Go, a language developed by Google and the open-source community.
- **Operating System**: Runs on BSD-based Unix-like systems, including FreeBSD.
- **Latest Version**: 0.4.2 (released on 2019-08-28).
- **Initial Release**: Version 0.0.1 was released on 2017-01-05.
- **Repository**: Hosted on GitHub at [shenwei356/rush](https://github.com/shenwei356/rush).
- **Different from GNU Rush**: Rush is not the same as GNU Rush, another parallel execution tool.
- **BSD Port**: Available as `sysutils/rush` in FreeBSD ports.
- **Chocolatey Package**: Distributed via Chocolatey for Windows users.

## FAQs
### Q: What is Rush used for?
A: Rush is used to execute commands in parallel across multiple CPU cores, similar to GNU Parallel but with a different implementation. It is particularly useful for speeding up batch processing tasks on Unix-like systems.

### Q: Is Rush free to use?
A: Yes, Rush is free software distributed under the Expat license, which permits users to run, study, modify, and distribute it freely.

### Q: What programming language is Rush written in?
A: Rush is written in Go, a statically typed, compiled language developed by Google and the open-source community.

### Q: Can Rush run on Windows?
A: While Rush is primarily designed for Unix-like systems, it can be installed on Windows via Chocolatey, indicating some cross-platform compatibility.

### Q: How does Rush differ from GNU Parallel?
A: Rush is a separate tool with a different implementation, though both aim to parallelize command execution. Rush is not the same as GNU Rush, another parallel execution tool.

## Why It Matters
Rush addresses the need for efficient parallel processing in Unix-like environments, particularly for tasks that can be divided into independent subtasks. By leveraging multiple CPU cores, it significantly reduces the time required for batch operations, making it valuable for system administrators, developers, and researchers. Its lightweight design and compatibility with BSD systems further enhance its utility in specific technical workflows. As an open-source project, Rush also contributes to the broader ecosystem of parallel processing tools, offering an alternative to established solutions like GNU Parallel.

## Notable For
- **Lightweight Alternative**: Provides a Go-based alternative to GNU Parallel for parallel command execution.
- **BSD Compatibility**: Specifically optimized for BSD-based Unix-like systems, including FreeBSD.
- **Open-Source License**: Distributed under the Expat license, ensuring broad usability and modification rights.
- **GitHub Integration**: Actively maintained on GitHub with regular updates and issue tracking.
- **Cross-Platform Availability**: Available via Chocolatey for Windows users, extending its reach beyond Unix-like systems.

## Body
### Overview
Rush is a command-line tool designed to execute commands in parallel across multiple CPU cores, similar to GNU Parallel. It is implemented in Go and distributed as free software under the Expat license, making it accessible for modification and redistribution.

### Development and Release
- **Initial Development**: Rush was first released as version 0.0.1 on January 5, 2017.
- **Latest Version**: The most recent stable release is version 0.4.2, published on August 28, 2019.
- **Ongoing Maintenance**: The project remains active on GitHub, with updates and issue tracking available.

### Technical Specifications
- **Programming Language**: Go, a statically typed, compiled language developed by Google.
- **Operating System**: Primarily designed for BSD-based Unix-like systems, including FreeBSD.
- **BSD Port**: Available as `sysutils/rush` in FreeBSD ports, indicating its integration into the BSD ecosystem.

### Licensing and Distribution
- **License**: Expat license (MIT-like), allowing free use, modification, and distribution.
- **Repository**: Hosted on GitHub at [shenwei356/rush](https://github.com/shenwei356/rush), with source code available for download.
- **Chocolatey Package**: Distributed via Chocolatey for Windows users, facilitating installation on non-Unix systems.

### Comparisons and Differences
- **GNU Parallel**: Rush is not the same as GNU Parallel, though both tools aim to parallelize command execution.
- **GNU Rush**: Rush is distinct from GNU Rush, another parallel execution tool, highlighting its unique identity in the parallel processing landscape.

### Usage and Impact
- **Parallel Processing**: Rush is particularly useful for speeding up batch processing tasks by leveraging multiple CPU cores.
- **System Administration**: Useful for system administrators and developers who need efficient parallel execution of commands.
- **Research and Development**: Supports researchers and developers in workflows requiring parallel processing capabilities.

## References

1. [Source](https://github.com/shenwei356/rush/blob/master/LICENSE)
2. [2019](https://github.com/shenwei356/rush/releases/tag/v0.4.2)
3. [Release 0.0.1. 2017](https://github.com/shenwei356/rush/releases/tag/v0.0.1)
4. [Release 0.0.2. 2017](https://github.com/shenwei356/rush/releases/tag/v0.0.2)
5. [Release 0.0.3. 2017](https://github.com/shenwei356/rush/releases/tag/v0.0.3)
6. [Release 0.0.4. 2017](https://github.com/shenwei356/rush/releases/tag/v0.0.4)
7. [Release 0.0.5. 2017](https://github.com/shenwei356/rush/releases/tag/v0.0.5)
8. [Release 0.0.6. 2017](https://github.com/shenwei356/rush/releases/tag/v0.0.6)
9. [Release 0.0.7. 2017](https://github.com/shenwei356/rush/releases/tag/v0.0.7)
10. [Release 0.0.8. 2017](https://github.com/shenwei356/rush/releases/tag/v0.0.8)
11. [Release 0.0.9. 2017](https://github.com/shenwei356/rush/releases/tag/v0.0.9)
12. [Release 0.1.0. 2017](https://github.com/shenwei356/rush/releases/tag/v0.1.0)
13. [Release 0.1.1. 2017](https://github.com/shenwei356/rush/releases/tag/v0.1.1)
14. [Release 0.1.2. 2017](https://github.com/shenwei356/rush/releases/tag/v0.1.2)
15. [Release 0.1.3. 2017](https://github.com/shenwei356/rush/releases/tag/v0.1.3)
16. [Release 0.1.4. 2017](https://github.com/shenwei356/rush/releases/tag/v0.1.4)
17. [Release 0.1.5. 2017](https://github.com/shenwei356/rush/releases/tag/v0.1.5)
18. [Release 0.1.6. 2017](https://github.com/shenwei356/rush/releases/tag/v0.1.6)
19. [Release 0.1.7. 2017](https://github.com/shenwei356/rush/releases/tag/v0.1.7)
20. [Release 0.1.8. 2017](https://github.com/shenwei356/rush/releases/tag/v0.1.8)
21. [Release 0.1.9. 2017](https://github.com/shenwei356/rush/releases/tag/v0.1.9)
22. [Release 0.2.0. 2017](https://github.com/shenwei356/rush/releases/tag/v0.2.0)
23. [Release 0.3.0. 2018](https://github.com/shenwei356/rush/releases/tag/v0.3.0)
24. [Release 0.4.0. 2018](https://github.com/shenwei356/rush/releases/tag/v0.4.0)
25. [Release 0.4.1. 2019](https://github.com/shenwei356/rush/releases/tag/v0.4.1)
26. [Release 0.4.3. 2022](https://github.com/shenwei356/rush/releases/tag/v0.4.3)
27. [Release 0.5.0. 2022](https://github.com/shenwei356/rush/releases/tag/v0.5.0)
28. [Release 0.5.1. 2023](https://github.com/shenwei356/rush/releases/tag/v0.5.1)
29. [Release 0.5.2. 2023](https://github.com/shenwei356/rush/releases/tag/v0.5.2)
30. [Release 0.5.3. 2023](https://github.com/shenwei356/rush/releases/tag/v0.5.3)
31. [Release 0.5.4. 2023](https://github.com/shenwei356/rush/releases/tag/v0.5.4)
32. [Release 0.5.5. 2024](https://github.com/shenwei356/rush/releases/tag/v0.5.5)
33. [Release 0.5.6. 2024](https://github.com/shenwei356/rush/releases/tag/v0.5.6)
34. [Release 0.5.7. 2024](https://github.com/shenwei356/rush/releases/tag/v0.5.7)
35. [Release 0.6.0. 2024](https://github.com/shenwei356/rush/releases/tag/v0.6.0)
36. [Release 0.6.1. 2025](https://github.com/shenwei356/rush/releases/tag/v0.6.1)
37. [Release 0.7.0. 2025](https://github.com/shenwei356/rush/releases/tag/v0.7.0)
38. [Release 0.8.0. 2026](https://github.com/shenwei356/rush/releases/tag/v0.8.0)