Print out the packages from spec jars and check in which ees they appear. Very specific. For example, schema ee.j2se-1.6.0 ee.j2se-1.5.0 ee.j2ee-1.4.0
Is used to start package versioning and figure out the semantic history
[ -o, –output ] - Output file [ -x, --xsl ] - Specify an XSL file for pretty printing