Hi all..
Sun 5.8

I using 1521 for Oracle 8.1.7 and 1526 for Oracle 9.2. These 2 versions are installed under Different Accounts. Now i need to Install 9.0.1 on the same server with another Account.

so my question is Which are the ports i can use now for Listener to communicate for the 3rd version iam going to Install ?..

Thanks for all your help