Expanding Full Path or File Name

Expand full path/file name with defined char using Command Prompt in Win NT 4.0
You can expand the full name of a file or directory using a character of your choice.

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