
This explains the # Allow the user to log in as root without a password. users.users.root.initialHashedPassword = ""; that the NixOS installer live systems use in `profiles/installation-device.nix`.
*** NixOS *** NixOS is a Linux distribution based on the purely functional package management system Nix. More information can be found at https://nixos.org/nixos and in the manual in doc/manual.