||At the beginning of a DOS batch file belongs the initialization of the command processor. This is
to ensure subsequent DOS batch script will be handled by the command interpreter as we intended to.
First let`s turn command-echoing off so that the output screen doesn`t get polluted with batch file
content itself during execution. Second, in order to enable the great features of the command
processor as required by most the other script code described here, the initialization code shall
turn on Extensions and Delayed Expansion.
REM.-- Prepare the Command Processor --