On Fri, Apr 2, 2010 at 2:46 PM, mattias mj@mjw.se wrote:
i maybe asked the question litle wrong i meen i have centos 5.0 now but can i downgrade to e.g let's say 2.0?
No, won't work.
You can, as someone suggested, back up your files and re-install but there's very little chance application data and files will be compatible.