[CentOS] Can I upgrade CentOS 3.9 to 4 with apt/yum

Mon Nov 3 11:44:33 UTC 2008
chaminda at mfsl.lk <chaminda at mfsl.lk>

Deal All,

Please tell me someone is is possible to upgrade CentOS3.9 to 4 via apt or
yum?

Thanks
Chaminda