<prompt> Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu: Passage: Pakati pemakore ekuma1980, Microsoft neIBM vakaumba chirongwa chakabatana chekugadzira chizvarwa chinotevera che graphical operating system; mhedzisiro yaive OS 2 uye HPFS. Nemhaka yokuti Microsoft yakanga isingabvumirani neIBM panyaya dzakawanda dzinokosha, pakupedzisira vakaparadzana; OS2 yakaramba iri purojekiti yeIBM uye Microsoft yakashanda kukudziridza Windows NT neNTFS. Mubvunzo: Muchirongwa chipi umo Microsoft neIBM vakabatira pamwe pakati pama1980?  <response>: OS2 uye HPFS 