How can I check the version of a Liferay instance?

Question

I have several instances of Liferay Portal (bundled with Apache Tomcat 5.5.x/6.x) and I need to know how to check the version of those Liferay instances

Answer 1

In plugins->build.properties.At bottom line of tht file ,we have a property called lp.version which contains liferay version as lp.version=6.0.5

Hope it helps!!