Check current version of Listener Control utility in Oracle
Version command is used to check the version of the listener. If during upgrade you want to verify that you listener is upraded or not then you can check version of your listener.
Syntax
lsnrctl VERSION listener_name
Note: listener_name: The listener name, if the default name of LISTENER is not used.
Example
C:\Users\Oracle>lsnrctl version LISTENER
LSNRCTL for 64-bit Windows: Version 11.2.0.2.0 - Production on 11-JUN-2018 14:38:38
Copyright (c) 1991, 2014, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1)))
TNSLSNR for 64-bit Windows: Version 11.2.0.2.0 - Production
TNS for 64-bit Windows: Version 11.2.0.2.0 - Production
Windows NT Named Pipes NT Protocol Adapter for 64-bit Windows: Version 11.2.0.2.0 - Producti
on
Windows NT TCP/IP NT Protocol Adapter for 64-bit Windows: Version 11.2.0.2.0 - Production,,
The command completed successfully
