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sudo
(files.mastodon.social)
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Brain: Open your eyes.
Person sleeping on bed: Permission denied.
Brain: Sudo open your eyes.
Person sleeping on bed: The brain is not in the sudoers file. This incident will be reported.
Real answer: it used to be common for UNIX daemons to send mail to root or to other users. This wasn't the same thing as email, because it didn't hit a network unless you set that up. But it ended up in the same mailboxes.