Last login: Sun Dec 9 18:55:37 on ttys000
mac-a82066076b36:~ lisa$ sudo ~/Desktop/Install\ OS\ X\ El\ Capitan.app/Contents/Resources/createinstallmedia --volume /Volumes/CLE --applicationpath ~/Desktop/Install\ OS\ X\ El\ Capitan.app --nointeraction
WARNING: Improper use of the sudo command...