A lightweight, open-source GNU/Linux command shell
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Flux was created to provide a command shell that eliminates unnecessary complexity while maintaining speed and reliability. As an open-source, lightweight GNU/Linux shell, Flux delivers a streamlined terminal experience - fast startup, intuitive usage, and free from excess features that slow down workflows. |
- Faster than Bash and Zsh: Flux starts up in milliseconds, making it ideal for scripting, embedded systems, and power users who value speed.
- Focused functionality: Includes only essential tools for daily tasks.
- Easy to build and hack: Clean codebase, minimal dependencies, and clear documentation make it perfect for contributors and system integrators.
- Ideal for old hardware: Flux consumes less RAM and CPU, breathing new life into legacy systems.
- Open-source and community-driven: Transparent development, MIT license, and open to feature requests.
Tired of slow shell startups and bloated configs? Flux is your solution.
- 🚀 Instant startup - launches in milliseconds
- 🧩 Minimal dependencies - easy to build and install
- ⚡ Low resource usage - ideal for embedded and legacy systems
- 🔒 Open-source (MIT License)
- GNU/Linux
- GCC or Clang/LLVM (recommended)
makeutility
makeBuilds Flux with default settings.
make LLVM=1Builds Flux using LLVM for better performance.
sudo make installInstalls Flux system-wide.
make LLVM=1 && sudo make install && make cleanfluxSee the Style Guide for internal development standards.
Flux is licensed under the MIT. See the LICENSE for details.
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