Sridhar, I have tried R12 on 4GB windows machine with VMware (3GB memory for linux R12) and performance wise its acceptable Check posts related to R12 on VMware at http://onlineappsdba.com/index.php/2007/03/05/install-oracle-apps-r12-on-linux-vmware/ I did 11.5.9 on 1GB Ram on PC in 2003 for training purpose so In my opinion it will work Atul sridhar rao <drmsr6@xxxxxxxxx> wrote: hi all, i want to install oracle11i on linux as4using vmware (windows xp base --then vmware)(for testing purpose). does it work well?does it sustains if i am applying patches?can any one help me on this? thanks in advance Dr.M.Sridhar Apps DBA Atul Kumar +44-7701030035 Site Dedicated to Apps DBA's Forum Dedicated to Apps DBA's ?ª Grab this Headline Animator