Burning a bootable Disk of 6.8 gb
 

hi , i have downloaded Mac os x 10.6 beta from net. its file size is 6.8 gb, how can i burn in a DVD od 4.7 gb....i tried using Toast its asking another DVD....perhaps i dont know how exactly to use the TOAST ....i need help ......pls tell how to burn the 6.8 gb file size using...