h We can also just run the executable directly

h We can also just run the executable directly with \'nix run\'
x rm -f "./result"

, Note that we do not have gcc available at the moment!

n We do not have gcc available at the moment!

n \'nixpkgs\' is a shorthand way to refer to the main Nix package repository.

x nix run nixpkgs#cowsay -- -f tux hello

x nix run github:nixos/nixpkgs/008ce261a7e3c532e792cb8e39482f2cc1b192f5#cowsay -- -f tux hello
n In the curl example we were playing fast and loose: the nix run command would just take the latest version.
n But for cowsay, we pinned it to a particular revision of nixpkgs.
p