Command Line Completion

By setting this key you can turn on command line completion similar to that of linux.
you can type part of a directory name or file and then hit tab or what ever key you set
it up for and it will complete the path for you. This really helps when using long file names.

Details:
Key: [HKEY_CURRENT_USER\Software\Microsoft\Command Processor]
Value Name: CompletionChar
Data Type: REG_DWORD
Data: 09 = enabled (TAB Key)