nix repl

Start an interactive environment for evaluating Nix expressions. See https://nixos.org/manual/nix/stable/language/index.html for a description of the Nix expression language. More information: https://nixos.org/manual/nix/stable/command-ref/new-cli/nix3-repl.html.

nix repl

:lf nixpkgs

:b expression

:u expression

:s expression