command for finding the version of weblogic and installed components

1) Go to installed weblogic server lib path
2)Use this command -----java -cp weblogic.jar weblogic.version -verbose
3) you will get like below details. 

SERVICE NAME                    VERSION INFORMATION
============                    ===================
Kernel                          Commonj WorkManager v1.1
TimerService                    Commonj TimerManager v1.1
CorbaService                    CORBA 2.3, IIOP 1.2, RMI-IIOP SFV2, OTS 1.2, CSI
v2 Level 0 + Stateful
XMLService                      XML 1.1
Transaction Service             JTA 1.0.1B
JDBCService                     JSR-114, JDBC 3.0
CustomResourceServerService     1.0.0.0
Servlet Container               Servlet 2.5, JSP 2.1
WebServices                     JSR-173, JAX-RPC, JSR-109, WSDL, WS-Addressing,
WS-Policy, JAX-B, JAX-R, UDDI, WS-Management(HP), JAXP-1.3, WS-Security
Pre Admin Singleton Services S  1.0
Singleton Services Batch Manag  1.0
EJB Container                   EJB 3.0
MDBService                      EJB 3.0
EJBTimerService                 EJB 3.0
J2EE Connector                  1.5
JMS Service                     JMS 1.1