The company confirmed it had already moved all its application servers and more than 80 per cent of database servers supporting internal processes to
the open source software.
Senior executives have hinted the company is also working to put Linux on all internal desktop machines within the next two years.
Speaking at the company's Oracle Apps World event in San Diego last week, chief executive Larry Ellison said Linux offered significant performance
benefits over Microsoft Windows.
He said Linux was faster and more reliable than Windows and price was only the third reason for change.