iMac:~ AV$ sudo /Vol*/El*/Install*/C*/R*/createinstallmedia --volume /Vol*/BOOT --applicationpath /Vol*/El*/Install* --nointeraction
Password:
Erasing Disk: 0%... 10%... 20%... 30%...100%...
Copying installer files to disk...
Copy complete.
Making disk bootable...
Copying boot files...
Copy complete.
Done.
iMac:~ AV$