CU*BASE runs on the IBM iSeries platform utilizing the i5 Operating System. The System i platform comes integrated with the components necessary to support robust business computing including the operating system, database, security, communications and networking, middleware, application servers and more.

System i5 models can run multiple operating systems and applications simultaneously. They support applications running in IBM i5/OS®, Microsoft® Windows®1, Linux®, IBM AIX 5L™, Java™, WebSphere® and Lotus® Domino® environments--all at the same time and all on one highly reliable system. Built-in security features on the System i5 family can help businesses meet regulatory requirements and safeguard critical data across all of these application environments.
CU*BASE client workstations require the Windows operating system.