Example .. In DOS .. c:>ping -t 
-t Ping the specifed host until interrupted 
-a Resolve addresses to hostnames 
-n count Number of echo requests to send 
-l size Send buffer size 
-f  Set Don’t Fragment flag in packet 
-i TTL Time To Live
 -v TOS Type Of Service 
-r count Record route for count hops 
-s count Timestamp for count hops 
-j host-list Loose source route along host-list 
-k host-list Strict source route along host-list 
-w timeout Timeout in milliseconds to wait for each reply 
Experiment to see how helpful these can be!