There are Unix-based MRI machines. When buying one, I would imagine the OS is rarely a consideration. There were reports of airports disallowing landings of in

There are Unix-based MRI machines. When buying one, I would imagine the OS is rarely a consideration. There were reports of airports disallowing landings of incoming planes due to controllers being unable to provide separation. There are card readers available for Linux, it has been long standardized. Cash drawer is a single solenoid. Major supermarket chains order and supervise delivery of custom POS solutions integrated the way they want from companies like NCR. NCR offers Windows, Android and Linux POS bases, but supermarkets tend to choose Windows.