ptee(1) on Linux
The text 7c4974aa6c9d, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye), Debian 10 (Buster), Debian 9 (Stretch) shipped it. The page shows this text now.
piped tee: read from one file descriptor and copy to many
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