<https://ar.geekssquads.net/2485-how-to-edit-the-hosts-file-on-macos-mac-os-x>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://ar.geekssquads.net/2485-how-to-edit-the-hosts-file-on-macos-mac-os-x>