tfskok@tfskok01:~$ ./ring-ping
No arguments were given
Usage: ring-ping [-6vd] [-n ] host
-n [COUNT] from how many nodes, 0 for all
-v print RTT for each server
-6 use IPv6 - obsolete, used only for backwards compatibility
-d debug mode
tfskok@tfskok01:~$
Add mini help. IPv6 is autodetect so -6 option is obsolete.