What is the "You have new mail" message in Linux/UNIX?

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Music by Eric Matyas
https://www.soundimage.org
Track title: Secret Catacombs

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Chapters
00:00 Question
00:46 Accepted answer (Score 444)
03:17 Answer 2 (Score 270)
03:31 Answer 3 (Score 98)
03:58 Answer 4 (Score 44)
05:10 Thank you

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Full question
https://superuser.com/questions/306163/w...

Question links:
[this]: https://superuser.com/questions/306995/w...

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Tags
#linux #unix #email #root

#avk47