Defining DOS Devices

• Command-Prompt: subst (note: not persistent)
  subst X: "C:\some_target_folder"
• API-Call: DefineDosDevice (note: not persistent)
• Registry (note: persistent)
  "HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Session Manager\Dos Devices"

  Add a String Value "X:" where X is the new virtual drive and set the value to: "\DosDevices\C:\some_target_folder"