Ubuntu 9.10 How to set 96 dpi resolution for X sessions?

[Steve]

On Sat, 19 Dec 2009 00:32:32 -0000, Mark Goldshtein  
<ubuntu.listmail at gmail.com> wrote:

> On Sat, Dec 19, 2009 at 2:24 AM, Steve <yorvik.ubunto at googlemail.com>  
> wrote:
>

>> >
>> Glad you’ve solved it.
>> Out of interest, as I’m not quite sure I understand this, what does
>> xdpyinfo say now?
>>
>>
> 96 x 96 dpi
>
I was more interested in this bit:-

screen #0:
   dimensions:    1366x768 pixels (313x171 millimeters)
   resolution:    111x114 dots per inch

   Jjust out of curiosity.
-- 
Steve