dnping(1) on Linux
The text fe0c3198badf, as Debian 5.0 (Lenny), Debian 4.0 (Etch), Debian 3.1 (Sarge) shipped it.
Loopbacks diagnostic packets through a remote node
Flags it lists
-
-c -
-d -
-i -
-p -
-q -
-s -
-t -
-u -
-v -
-w