thanks for the info ok now i understand On Fri, 2010-04-02 at 15:07 -0400, m.roth at 5-cent.us wrote: > mattias wrote: > > On Fri, 2010-04-02 at 14:50 -0400, Kwan Lowe wrote: > >> On Fri, Apr 2, 2010 at 2:46 PM, mattias <mj at 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. > > > hmm ok but i can upgrade to 5.3? > > how can i upgrade to 5.3 but not downgrade to 2.0? > > May I strongly suggest that you read up on computers and operating > systems? You don't seem to understand what you're asking - it's like > asking if, from Windows Vista, you can downgrade to NT 4, and expect > anything but text files to be workable. > > A subrelease upgrade or downgrade is not that scary - they've been tested > a lot, and that's just yum upgrade. But when a new full release comes out > - like 4, or 5, or 6, you *really* want to back everything up and do a > fresh install; otherwise, there's too many incompatibilities (such as, > say, python 2.x.x and 2.y.x), and you're asking for problems. > > mark > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos