The historical and original meaning was superuser do and superuser is absolutely a thing in UNIX. See here from the guy who invented it: https://hackaday.com/

The historical and original meaning was superuser do and superuser is absolutely a thing in UNIX. See here from the guy who invented it: https://hackaday.com/2014/05/28/interview-inventing-the-unix-sudo-command/ https://hackaday.com/2014/05/28/interview-inventing-the-unix... and here https://www.youtube.com/watch?v=LaAwl3HN5ds https://www.youtube.com/watch?v=LaAwl3HN5ds (from around 4:30 minutes... "do a superuser thing") Also the "su" command originally stood for "superuser": https://web.archive.org/web/20220317213155/https://www.bell-labs.com/usr/dmr/www/man13.pdf https://web.archive.org/web/20220317213155/https://www.bell-... (UNIX manual from 1971) "su allows one to become the super—user, who has all sorts of marvelous powers"