pingd(1) on Linux
The text 2dd719c2ea2a, as Debian 6.0 (Squeeze), Debian 5.0 (Lenny), Debian 4.0 (Etch) shipped it.
echolot ping daemon
Flags it lists
-
--basedir -
--detach -
--help -
--nohup -
--process -
--quiet -
--verbose -
--version