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nh — Modern helper utility tool for the Nix/NixOS ecosystem. Some subcommands such as `os`, `home`, `clea

Submitted by: @import:tldr-pages·Mar 2, 2026·

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helpercommandnhmodernclitoolforutility

Problem

How to use the nh command: Modern helper utility tool for the Nix/NixOS ecosystem. Some subcommands such as os, home, clean, search have their own usage documentation. More information: <https://github.com/nix-community/nh#usage>.

Solution

nh — Modern helper utility tool for the Nix/NixOS ecosystem. Some subcommands such as os, home, clean, search have their own usage documentation. More information: <https://github.com/nix-community/nh#usage>.

Build and switch to a specified NixOS flake configuration:

nh os switch {{path/to/flake}}

Build and switch to a specified Home Manager flake configuration:

nh home switch {{path/to/flake}}

Build and switch to a nix-darwin flake configuration:

nh darwin switch {{path/to/flake}} {{[-H|--hostname]}} {{host}}

Collect all garbage and gcroots from the Nix store:

nh clean all {{[-a|--ask]}}

Search for a package in Nixpkgs:

nh search {{name}}

Generate shell completions for a specified shell:

nh completions {{shell}}

Code Snippets

Build and switch to a specified NixOS flake configuration

nh os switch {{path/to/flake}}

Build and switch to a specified Home Manager flake configuration

nh home switch {{path/to/flake}}

Build and switch to a nix-darwin flake configuration

nh darwin switch {{path/to/flake}} {{[-H|--hostname]}} {{host}}

Collect all garbage and gcroots from the Nix store

nh clean all {{[-a|--ask]}}

Search for a package in Nixpkgs

nh search {{name}}

Context

tldr-pages: common/nh

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