Hi all, We have variety of ESX and ESXi installations.We hve 4.0,4.1 and 5.0.I would like to know the process/command to know the list of all updates that are installed on hosts

         We have variety of ESX and ESXi installations.We hve 4.0,4.1 and 5.0.I would like to know the process/command  to know the list of all updates that are installed on hosts.How to extract the list of patches that gets installed during the bundle update.E.g. we have installed the ESXi500-Update02,now I would like to know which are the patches those gets installed after this update02.

Prompt response is expected.