net2kiss(8) on Linux
The text 0b6a15dde428, as Debian 13 (Trixie), Debian 12 (Bookworm), Debian 11 (Bullseye) shipped it. The page shows this text now.
convert a network AX.25 driver to a KISS stream on a pseudo-tty
Flags it lists
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-a -
-f -
-i -
-s -
-v -
-z