<P> MS - DOS ( / ˌɛmˌɛsˈdɒs / em - ess - DOSS ; acronym for Microsoft Disk Operating System ) is an operating system for x86 - based personal computers mostly developed by Microsoft . Collectively , MS - DOS , its rebranding as IBM PC DOS , and some operating systems attempting to be compatible with MS - DOS , are sometimes referred to as `` DOS '' ( which is also the generic acronym for disk operating system ) . MS - DOS was the main operating system for IBM PC compatible personal computers during the 1980s and the early 1990s , when it was gradually superseded by operating systems offering a graphical user interface ( GUI ) , in various generations of the graphical Microsoft Windows operating system . </P>
<P> MS - DOS ( / ˌɛmˌɛsˈdɒs / em - ess - DOSS ; acronym for Microsoft Disk Operating System ) is an operating system for x86 - based personal computers mostly developed by Microsoft . Collectively , MS - DOS , its rebranding as IBM PC DOS , and some operating systems attempting to be compatible with MS - DOS , are sometimes referred to as `` DOS '' ( which is also the generic acronym for disk operating system ) . MS - DOS was the main operating system for IBM PC compatible personal computers during the 1980s and the early 1990s , when it was gradually superseded by operating systems offering a graphical user interface ( GUI ) , in various generations of the graphical Microsoft Windows operating system . </P>
what is the full form of ms dos
what is the full form of ms dos
Microsoft Disk Operating System
Microsoft Disk Operating System