pads(8) on Linux
The text 2f9e3530782a, as Debian 6.0 (Squeeze), Debian 5.0 (Lenny), Debian 4.0 (Etch) shipped it.
Passive Asset Detection System
Flags it lists
-
-D -
-d -
-g -
-h -
-i -
-r -
-u -
-w