Although you probably still have many questions about out-of-band data, fret not. Some simple example programs will help illustrate the concepts more clearly than a lot of text. An explanation
will be provided as you progress through the demonstrations.
A few more basics about out-of-band I/O must be covered in the next short sections. After that is out of the way, the fun begins.
I am covering the following areas under using the out of band data: