nix-env Manipulate or query Nix user environments. Show available package with name or without name: nix-env -qa {{pkg_name}} Show the status of available packages: nix-env -qas Install package: nix-env -i {{pkg_name}} Uninstall package: nix-env -e {{pkg_name}} Upgrade one package: nix-env -u {{pkg_name}} Upgrade all packages: nix-env -u