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Command completion allows you to type a portion of a file name, and then have the system complete the rest by pressing the specified key. This is similar to the UNIX shell command completion feature.

Open your registry and find the key below.

Create a new DWORD value, or modify the existing value, called 'CompletionChar' and set it to equal the hex value of the required control character. For example to use the TAB key set the value to '9', to use BackSpace set the value to '8', to use Ctrl-D set the value to '4' and for Ctrl-F set the value to '6'.

Exit your registry, you may need to restart Windows for the change to take effect.

Now when you type the first part of a filename then press the specified key, Windows will complete the filename for you. Pressing the key multiple times will scroll through all the options.

		(Default)	REG_SZ	(value not set)
		CompletionChar	REG_DWORD	0x00000009 (9)

	HKEY_CURRENT_USER\Software\Microsoft\Command Processor

Related Tweaks

• Enable Directory Completion (Windows 2000/XP)

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.