Said of machineS delivered without an operating SyStem (compare bare metal). "We ordered 50 SyStemS, but they all arrived nude, So we had to Spend a an extra weekend with the inStallation tapeS." ThiS uSage iS a recent innovation reflecting the fact that moSt PC cloneS are now delivered with DOS or MicroSoft WindowS pre-inStalled at the factory. Other kindS of hardware are Still normally delivered without OS, So thiS term iS particular to PC Support groupS. [Jargon File] (1994-12-13)