fish (Unix shell)
| fish | |
|---|---|
Version 4.0.0 of fish | |
| Original author | Axel Liljencrantz |
| Developer | Fish-shell developers |
| Initial release | 13 February 2005 |
| Stable release | 4.5.0
/ 17 February 2026 |
| Written in | Rust since v4.0, C++ up to v3.7.1 |
| Operating system | Unix-like |
| Type | Unix shell |
| License | GPL-2.0-only |
| Website | fishshell |
| Repository | |
fish (friendly interactive shell; stylized in lowercase) is a Unix-like shell with a focus on interactivity and usability. fish is designed to be feature-rich by default, rather than highly configurable, and does not adhere to POSIX shell standards by design.