Dosshell
The dosshell command starts DOS Shell, a graphical file management tool for MS-DOS.
The dosshell command is available in Windows 95 (in MS-DOS mode) and also in MS-DOS version 6.0 and later MS-DOS versions that were upgraded from previous versions that contained the dosshell command.
A graphical file manager, Windows Explorer, became an integrated part of the operating system beginning in Windows 95.
Dosx
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 available in Windows 8, Windows 7, Windows Vista, and Windows XP. The dosx command is not available in 64-bit versions of Windows.
The dosx command and DPMI is only available in Windows to support older MS-DOS programs.
Driverquery
The driverquery command is used to show a list of all installed drivers.
The driverquery command is available in Windows 8, Windows 7, Windows Vista, and Windows XP.
Drvspace
The drvspace command is used to create or configure DriveSpace compressed drives.
The drvspace command is available in Windows 98 and 95, as well as in MS-DOS.
DriveSpace is an updated version of DoubleSpace, executed using the dblspace command. Windows natively handles compression beginning in Windows XP.
Echo
The 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 echo command is available in all versions of Windows, as well as in MS-DOS.
Edit
The edit command starts the MS-DOS Editor tool which is used to create and modify text files.
The edit command is available in MS-DOS as well as in all 32-bit versions of Windows. The edit command is not available in 64-bit versions of Windows.
Edlin
The edlin command starts the Edlin tool which is used to create and modify text files from the command line.
The edlin command is available in all 32-bit versions of Windows but is not available in 64-bit versions of Windows.
In MS-DOS, the edlin command is only available up to MS-DOS 5.0 so unless your later version of MS-DOS was upgraded from 5.0 or prior, you won't see the edlin command.
Emm386
The emm386 command is used to give MS-DOS access to more than 640 KB of memory.
The emm386 command is available in Windows 98 and 95, as well as in MS-DOS.
Windows itself has access to extended and expanded memory beginning in Windows 95.
Endlocal
The endlocal command is used to end the localization of environment changes inside a batch or script file.
The endlocal command is available in Windows 8, Windows 7, Windows Vista, and Windows XP.
Erase
The erase command is used to delete one or more files.
The erase command is available in all versions of Windows, as well as in MS-DOS.
The erase command is the same as the del command.
