FastExport FastExport Supported Operating Systems "Both parents supported my becoming a world class athlete". Edwin Moses Both Parents (Mainframe and LAN Attached System) support many operating systems and they are faster than Edwin Moses with less hurdles. The FastExport utility is supported on either the mainframe or on LAN. The information below illustrates which operating systems are supported for each environment: The LAN environment supports the following Operating Systems: UNIX MP-RAS