lsof -i tch:9393
 -i [i]	selects	the listing of files any  of  whose  Internet  address
		matches	 the  address specified	in i.  If no address is	speci-
		fied, this option selects the listing of all Internet and x.25
		(HP-UX)	network	files.
 kill {PID}
    PID is the process id that the first command will return