Hi.
Supported way - you can develop a little plugin to make this possible. Check this
url .
Unsupported way - you can use direct sql update agaist your organization database like:
Update UserSettingsBase
Set PagingLimit = <number of records you want to have at the page>
Where SystemUserId = <Identifier of User>
Truth is opened the prepared mind My blog -
http://a33ik.blogspot.com