aprx(8) on Linux
The text b8888d203c88, as Debian 11 (Bullseye), Debian 10 (Buster) shipped it.
An APRS iGate application with integrated Digipeater.
Flags it lists
-
-V -
-d -
-dd -
-ddd -
-e -
-f -
-i -
-l -
-v