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This setting controls whether command extensions are enabled or disabled. When command extensions are used they change the behaviour of various standard command processor functions such as CD, MD, DEL, PROMPT and SET.

Open your registry and find the key below.

Create a new DWORD value called "EnableExtensions" and set it "1" to enable extensions or "0" to disable them (default is enabled).

The command extensions involve changes and/or additions to the following commands:

DEL or ERASE
COLOR
CD or CHDIR
MD or MKDIR
PROMPT
PUSHD
POPD
SET
SETLOCAL
ENDLOCAL
IF
FOR
CALL
SHIFT
GOTO
START
ASSOC
FTYPE

To get specific details, type commandname /? to view the help.

Note: This setting can also be used as a system wide policy under the HKEY_LOCAL_MACHINE hive.

		(Default)	REG_SZ	(value not set)
		EnableExtensions	REG_DWORD	0x00000001 (1)

	HKEY_CURRENT_USER\Software\Microsoft\Command Processor

Disclaimer: Modifying the registry can cause serious problems that may require you to reinstall your operating system. We cannot guarantee that problems resulting from modifications to the registry can be solved. Use the information provided at your own risk.