How do you disable your synaptic trackpad in Ubuntu

[bogstad-e+AXbWqSrlAAvxtiuMwx3w at public.gmane.org (Bill Bogstad)]

On Thu, Feb 11, 2010 at 10:30 AM, David Kramer <david-8uUts6sDVDvs2Lz0fTdYFQ at public.gmane.org> wrote:
> One of the many issues I had upgrading to Karmic (I'm working on a
> comprehensive list) what the mouse configuration tool that comes with it
> no longer lets you disable the trackpad, which constantly makes the
> cursor jump while I'm typing due to my monstrous hands. ?Ideally I would
> like it to default to off, but have the ability to reenable it on demand.

I think the following will help:

https://help.ubuntu.com/community/SynapticsTouchpad/ShortcutKey

I created the single shell script suggested at the end of that page
and used System/Preferences/Keyboard Shortcuts to bind the script to
an Super-M.  It seems to work for me.

Bill