Windows Registry Editor Version 5.00

; I got this tip at http://www.microsoft.com/mspress/books/sampchap/6232a.asp
; use the TAB key to auto-complete long file names and path names

[HKEY_CURRENT_USER\Software\Microsoft\Command Processor]
"CompletionChar"=dword:00000009
"PathCompletionChar"=dword:00000009