gpsbabel(1) on Linux
The text 5b8c0266de4e, as Debian 9 (Stretch) shipped it.
GPS route and waypoint data converter
Flags it lists
-
-? -
-D -
-N -
-T -
-V -
-b -
-h -
-p -
-r -
-s -
-t -
-w -
-x