From the following article
http://www-01.ibm.com/support/docview.wss?uid=swg21294769
- On Linux
 at
 /var/ibm/InstallationManager/installed.xml
 
- On Microsoft Windows XP, Windows 2000 and Windows 2003
 at
 C:\Documents and Settings\All Users\Application Data\IBM\InstallationManager\installed.xml
 
- On Microsoft Windows Vista
 at
 C:\ProgramData\IBM\Installation Manager\installed.xml
 
- This is also available for viewing by selecting
 Windows Start Button > IBM Installation Manager > View Installed Packages
For specific WAS_HOME the following method can be used:
/opt/IBM/BPM80/AppServer/bin/versionInfo.sh -ifixes
 
