DiskraidThe diskraid command starts the DiskRAID tool which is used to manage and configure RAID arrays.
The dism command starts the Deployment Image Servicing and Management tool (DISM). The DISM tool is used to manage features in Windows images.
DispdiagThe dispdiag command is used to output a log of information about the display system.
DjoinThe djoin command is used to create a new computer account in a domain.
DoskeyThe doskey command is used to edit command lines, create macros, and recall previously entered commands.
The dosx command is used to start DOS Protected Mode Interface (DPMI), a special mode designed to give MS-DOS applications access to more than the normally allowed 640 KB.
The dosx command is not available in 64-bit versions of Windows 7.
The dosx command (and DPMI) is only available in Windows 7 to support older MS-DOS programs.
DriverqueryThe driverquery command is used to show a list of all installed drivers.
EchoThe echo command is used to show messages, most commonly from within script or batch files. The echo command can also be used to turn the echoing feature on or off.
The edit command starts the MS-DOS Editor tool which is used to create and modify text files.
The edit is not available in 64-bit versions of Windows 7.
The edlin command starts the Edlin tool which is used to create and modify text files from the command line.
The edlin command is not available in 64-bit versions of Windows 7.