general purpose operating system executive

• 英?[?d?en?r?l ?p?:p?s ??p??re?t?? ?sist?m iɡ?zekjutiv]
• 美?[?d??n?r?l ?p?p?s ?ɑp??ret?? ?s?st?m ?ɡ?z?kj?t?v]