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Turn on autocomplete for DOS shell
http://www.softwaretipsandtricks.com/windowsxp/articles/382/1/Turn-on-autocomplete-for-DOS-shell
Super Admin
 
By Super Admin
Published on 02/25/2005
 
Turn on autocomplete for DOS shell

Turn on autocomplete for DOS shell
You can enable filename completion in the NT "DOS" shell by editing
HKEY_CURRENT_USER\Software\Microsoft\Command Processor
and changing the CompletionChar value to 0x00000009