Question 1

Does Brush support all bash features?

Accepted Answer

Brush supports most bash features, including expansions, job control, and arrays, but lacks some like coproc and select. Check the compatibility reference for unsupported edge cases before migration.

Question 2

How to install Brush on Ubuntu?

Accepted Answer

On Ubuntu, you can install Brush using cargo binstall with 'cargo binstall brush-shell', or download prebuilt binaries from GitHub releases. Building from source with 'cargo install --locked brush-shell' is also an option.

Question 3

Brush vs nushell: which one should I choose?

Accepted Answer

Choose Brush if you need high bash compatibility to run existing scripts unchanged. Opt for nushell if you prefer a data-centric shell with structured output, as Brush focuses on traditional shell paradigms.

Question 4

Can I use Brush as my default shell?

Accepted Answer

Yes, Brush can be set as your default shell and will process .bashrc files seamlessly. Ensure it's installed and added to /etc/shells, but be aware of unsupported features that might break some configurations.

Question 5

How to configure auto-suggestions in Brush?

Accepted Answer

Auto-suggestions are enabled by default in Brush, powered by reedline. You can customize behavior through the TOML configuration file at ~/.config/brush/config.toml or integrate with tools like atuin.

Question 6

Is Brush faster or more secure than bash?

Accepted Answer

Brush's Rust implementation offers memory safety advantages over bash's C code, potentially reducing vulnerabilities. Performance may be comparable, but benchmarks aren't detailed in the README, and compatibility layers could add overhead.

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