DOS

DOS is an acronym for 'Disk Operating System'. There have been many operating systems which used this name, including:

• An early OS from IBM for the IBM System/360
• DOS-11 for the PDP-11 from DEC
• Apple DOS from Apple for the Apple II
• MS-DOS from Microsoft
• PC-DOS Microsoft's MS-DOS OEMed by IBM

This disambiguation page lists articles which all may be referred to by the title term.
If an internal link led you here, you may wish to change the link to point directly to the intended article.