How to check versions in Oracle Apps R12?

To check 10.1.3 $ORACLE_HOME Patch set information:

$cat $CONTEXT_FILE | grep -i ias_version

                          [or]

$cat $ORACLE_HOME/config/ias.properties | grep Version  (12.0)

$cat $ORA_CONFIG_HOME/10.1.3/config/ias.properties | grep Version(12.1)


To check File version:
 adident Header $JAVA_TOP/oracle/apps/jtf/regress/qatool/testcase/JavaVersionTest.class

$Header JavaVersionTest.java 120.3 2008/04/29 19:18:28 rlandows ship $