The NCD.EXE allows you to control NCD products directly from a command line interface in DOS. NCD.EXE does NOT require 3rd party tools or components, as it speaks directly to DOS. With NCD.EXE, you may test and control an NCD device directly without programming. It can also be used in a batch file to do complex jobs or called in your own program. NCD.EXE is a free distribution for use ONLY with NCD products.