ms-7a1

MS-DOS 7 is a real mode operating system which has never been released separately by its creator Microsoft, but included in the Windows 9x family of operating systems. Windows 95 RTM reports to be MS-DOS 7.0, while Windows 95 OSR2, Windows 95 OSR2.5, Windows 98 and Windows 98SE report as 7.1.

View More On Wikipedia.org