Attributive form of operating system, noun.(adjective)
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Use "operating-system" in a sentence
"Earlier this month, RIM said it had recalled 1,000 PlayBooks due to an operating-system problem."
"Today's ecosystem wars are in many respects just a revisitation of yesteryear's operating-system wars."
"So while Apple Inc. is litigating over iPhone software and Google Inc. is in court defending its operating-system code, FURminator Inc. is battling to protect its own technology: "a pet grooming tool, for use with a furry pet.""