On Dec 29, 2011, at 7:30, mcclnx mcc <mcclnx at yahoo.com.tw> wrote: > Does anyone know CENTOS/Redhat 6.X compatible to ORACLE software (X86 and X86_64) version like 9.X, 10GR2, 11G and 11GR2. > > Any official document say that? OEL6 is rebuilt RHEL6. CentOS 6 is rebuilt RHEL6. I think it'll be ok.