Expand full path/file name with defined char using Command Prompt in Win NT4.0
You can expand the full name of a file or directory using a character of yourchoice.
  1. Close all Command Prompts
  2. Start the Registry Editor
  3. Open HKEY_CURRENT_USER\Software\Microsoft\Command Processor
  4. If not present, add Key: CompletionChar
  5. If you like to use TAB-Key for expand: set value (REG_SZ): "9"
You can test it:
  1. Open up a DOS window
  2. Type: CD (followed by TAB)
  3. The first available directory will appear
  4. Press TAB again, the next one will appear
  5. The same can be done with the DIR command