Ma'anar ƙamus na kalmar "DOS" na iya bambanta dangane da mahallin, amma wasu mafi yawan ma'anar su ne:Disk Operating System: Wannan yana nufin nau'i ne. na tsarin aiki da aka saba amfani da shi akan kwamfutoci na sirri a shekarun 1980 da farkon 1990s. MS-DOS, gajere don Microsoft Disk Operating System, ya kasance ɗaya daga cikin shahararrun nau'ikan. yana cike da cunkoson ababen hawa ko buƙatun don a mamaye shi kuma ya sa ba za a samu ga masu amfani da shi ba. gudanar da huldar diflomasiyya da wasu kasashe. Likitan Osteopathy: Wannan yana nufin wani nau'in digiri na likitanci da ake ba wa likitocin da suka ƙware a fannin likitancin ƙanƙara, wanda ke mai da hankali kan tsarin musculoskeletal da yadda yake shafar lafiyar jiki gaba ɗaya.