radvd(8) on Linux
The text 6576756d78f7, as Debian 4.0 (Etch) shipped it.
router advertisement daemon for IPv6
Flags it lists
-
--chrootdir -
--config -
--debug -
--facility -
--help -
--logfile -
--logmethod -
--pidfile -
--username -
--version -
-C -
-d -
-f -
-h -
-l -
-m -
-p -
-t -
-u -
-v