How can I make my touchpad have click function?
 

Now touchpad can move the arrow,but can't have the click function
How can I do ?

touchpad package
 

This should help. The following page contains a description of what the package provides.

I'm presuming that you are using Debian since you posted in the Debian forum. If your using Redhat, as your profile indicates, I'm would suspect that they also have a synaptics module.

http://packages.debian.org/testing/x...iver-synaptics