Oracle 11g DB QuickStart for Ubuntu 15.10 Wily
The Linked Tutorial Shows You Step-by-step How-to Install and Getting-Started with on Ubuntu 15.10 Wily Amd64 GNU / Linux.
Included on the Guide You find also the Links to Download the Oracle 11g Database for Ubuntu Linux.
Installing Oracle 11g Database for Ubuntu 15.10 Wily
Oracle 11g DB Installation on Ubuntu 15.10 Wily Amd64