yum clean needs an option?

[seth vidal]

On Sun, 2004-09-26 at 19:53 +0000, yonasb at netzero.com wrote:
> when I run "yum clean" I am getting 
> 
> "Error: Clean Now Requires an option"
> 
> but yum --help didn't show me any otion for yum
> 
> [yonas at fc3t2 ~]$ rpm -qa |grep yum
> yum-applet-1.0-1
> yum-2.1.3-1

and what is yum-applet?

-sv