Method #1. Connect to the database from the command line
Method #2. Retrieve the version from the system table:
db2 "select * from SYSIBM.SYSVERSIONS"
Method #3. The Database Manager snapshot
db2 get snapshot for dbm | grep -P "(Product name|Service level)"
Method #4. Get the version directly using the 'db2level' command:
This will give the version of local DB or DB2 Client installed on same server where you are checking
