Amiga lacked a standard Printer Spooler. Like GRASP, The Spooler could reside in an independent 'Fn' partition. GRASP, like Spooler, could reside in an independent "F0" partition. The Spooler competed with IBM's POWER and SDI's GRASP. Here he invented the Northrop spooler guide. POWER competed with non-IBM products, namely DataCorp's The Spooler and SDI's GRASP. The Spooler was sold by DataCorp of Virginia, in Harrisonburg, Virginia.