# Pastebin FJL3stPU
[tertl3@nixos:~]$ file /nix/store/igbq74arvrrjrqmav82fg3dl3gzywvh8-nixos-rebuild/bin/nixos-rebuild
The program ‘file’ is currently not installed. You can install it by typing:                                                                                                       
  nix-env -iA nixos.file