> - didn't check if nixos uses it, but coreutil has a single binary mode (like busybox, a single binary is built and symlinks or hardlinks are used to provide a

> - didn't check if nixos uses it, but coreutil has a single binary mode (like busybox, a single binary is built and symlinks or hardlinks are used to provide all the commands); that might save some space It does. If you have coreutils from Nixpkgs installed you can check this with basename "$(realpath "$(which ls)")" If you see 'ls', you're looking at separate binaries. If you see 'coreutils', it's a symlink to a singular 'coreutils' binary.