nsh ☆

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Description:
Fish-like, POSIX-compatible shell

Type: Formula | Tracked Since: Dec 28, 2025

Links: Homepage | formulae.brew.sh

Category: Developer tools

Tags: shell posix cli rust terminal

Install: brew install nsh

About:
Nsh is a modern shell that combines the user-friendly features of fish with strict POSIX compatibility. It provides familiar features like autosuggestions and syntax highlighting while ensuring scripts remain portable and standard-compliant. This makes it an ideal choice for users seeking a more productive command-line experience without sacrificing compatibility.

Key Features:

POSIX-compatible scripting
Fish-like autosuggestions and syntax highlighting
Modern Rust codebase
Low latency and high performance

Use Cases:

Daily interactive shell usage for developers and sysadmins
Writing portable shell scripts that run on any POSIX system

Alternatives:

fish – Fish offers similar user-friendly features but is not POSIX-compatible, which can break existing scripts.
bash – Bash is the ubiquitous POSIX-compliant standard, but lacks modern interactive features out of the box.

Version History

Detected	Version	Rev	Change	Commit
Sep 16, 2025 3:30pm		0	VERSION_BUMP	ce6f4c3a
Sep 12, 2024 11:40am		0	VERSION_BUMP	0ca1477d