[PLUG] Everything disappears SOLUTION

[John Jason Jordan]

On Thu, 22 Aug 2013 21:21:05 -0700
Galen Seitz <galens at seitzassoc.com> dijo:

>> At the Clinic Keith attempted to figure out what was going on, so I
>> thought I ought to tell the list what the problem was. It turns out
>> that the scroll wheel on my mouse (which doubles as the
>> middle mouse button) occasionally takes it into its little rodent
>> head that, instead of scrolling, it ought to send Ctrl-Alt-arrow. I
>> have only two workspaces set up, and I never use the other one but,
>> sure enough, when everything disappeared this evening I tried
>> Ctrl-Alt-arrow and, sure enough, everything was back.
>>
>> The mouse is a wireless USB mouse, Dynex brand, from Best Buy. On the
>> back it says "Made in China."
>
>I think this is normal behavior for XFCE.  Under CentOS 6.4 with
>xfce4, when the pointer is on the root window, the scroll wheel will
>either increment or decrement the active workspace number.

What is the root window?