tldr/pages/common/nix-classic.md

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2023-12-22 05:44:48 +00:00
# nix classic
> A classic, stable interface to a powerful package manager that makes package management reliable, reproducible, and declarative.
> Some Nix commands such as `nix-build`, `nix-shell`, `nix-env`, and `nix-store` have their own pages. See also: `tldr nix`.
> More information: <https://nixos.org>.
- Search for a package in nixpkgs via its name:
`nix-env -qaP {{search_term_regexp}}`
- Start a shell with the specified packages available:
`nix-shell -p {{pkg1 pkg2 pkg3...}}`
- Install some packages permanently:
`nix-env -iA {{nixpkgs.pkg1 nixpkgs.pkg2...}}`
- Show all dependencies of a store path (package), in a tree format:
`nix-store --query --tree {{/nix/store/...}}`
- Update the channels (repositories):
`nix-channel --update`
- Remove unused paths from Nix store:
`nix-collect-garbage`