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by nonrandomstring 1509 days ago
Caught me out!

I assumed it meant to send the output of the command as mail. That's vaguely useful instead of piping to a cmdline MUA. I couldn't believe I'd been missing this for 30 years and so I tried it on few things like

ps aux --mail=me@domain

error: unknown gnu long option

Looked in my inbox. Nothing.

Then I got to the bottom of the page for the punchline.

grrrr