dnping(1) on Linux
The text 279ffacc4983, as Debian 10 (Buster), Debian 9 (Stretch), Debian 8 (Jessie), Debian 7 (Wheezy), Debian 6.0 (Squeeze) shipped it. The page shows this text now.
Loopbacks diagnostic packets through a remote node
Flags it lists
-
-c -
-d -
-i -
-p -
-q -
-s -
-t -
-u -
-v -
-w