- Configuration
- Prompt and startup configuration.
- Advanced features
- Adaptive themes, terminal protocols, and interactive UX.
- Writing completions
- Build command completion manifests and dynamic provider functions.
- Completion manifest schema
- JSON schema reference for structured completion manifests.
- Builtins
- Manpage-style reference for POSIX, compatibility, and Rush extension builtins.
- Conformance policy
- How Rush chooses behavior when POSIX, Bash, and system shells disagree.
- Smoosh suite notes
- Smoosh expectations Rush intentionally does not follow in POSIX mode.
- Compatibility notes
- Known differences from common shell reference points.