diff --git a/sql/10_os_info.sql b/sql/10_os_info.sql
index 1ebaa40..aac4f69 100644
--- a/sql/10_os_info.sql
+++ b/sql/10_os_info.sql
@@ -3,6 +3,11 @@ prompt <pre>
 host ps -ef | grep pmon | grep -v grep 
 prompt </pre>
 
+prompt <h2>Running listeners</h2>
+prompt <pre>
+host ps -ef | grep tnslsnr| grep -v grep 
+prompt </pre>
+
 prompt <h2>Disk Size df -h</h2>
 set echo off head off
 prompt <pre>