"Comparison of DOS operating systems"@en . . . . . . . "1540801"^^ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "1098868512"^^ . . "y"@en . . . . . "33393"^^ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "This article details versions of MS-DOS, IBM PC DOS, and at least partially compatible disk operating systems. It does not include the many other operating systems called \"DOS\" which are unrelated to IBM PC compatibles."@en . . . . . . . . . . . "This article details versions of MS-DOS, IBM PC DOS, and at least partially compatible disk operating systems. It does not include the many other operating systems called \"DOS\" which are unrelated to IBM PC compatibles."@en . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . "May 2019"@en . . . . . . . . . . . . . . . . . . .