MS-DOS 7 MS-DOS 7 MS-DOS 7 is a computer operating system which has never been released separately by its creator Microsoft, but which corresponds to the basic (real mode) of the Windows 9x family of operating systems. Windows 95 reports to be MS-DOS 7.0, while Windows 98 and Windows 98SE report as 7.1. A major difference between earlier versions of MS-DOS is the usage of the MSDOS.SYS file. In version 7 this is not a binary file, but a pure setting file. The older boot style, where Windows is not automatically started and the system boots into a DOS command shell, could
Windows Vista of applications ("ClickOnce" and Windows Installer 4.0), new device driver development model ("Windows Driver Foundation"), Transactional NTFS, mobile computing API advancements (power management, Tablet PC Ink support, SideShow) and major updates to (or complete replacements of) many core subsystems such as Winlogon and CAPI. There are some issues for software developers using some of the graphics APIs in Vista. Games or programs built solely on the Windows Vista-exclusive version of DirectX, version 10, cannot work on prior versions of Windows, as DirectX 10 is not available for previous Windows versions. Also, games that require the features of D3D9Ex, the updated