Getting some IO going with assembly and C

After a few days break I got back on into Assembly getting my newest code snippet put together.
This time I'm working mainly with IO specifically from and to the terminal (or console if your that way inclined ;) ).

Assembly the code explanation

For my next post in my saga about assembly I'm gonna explain my source code in my first post.

General information about computers

So last post I explained how to get a working environment up for Windows 7 and general info for other OS's.
This time I'm going to be going over some of the theory required about computers.

Discovering assembly a tale of a new commer - first

So I recently decided to start learning assembly following major issues with using a llvm, gcc or open64 as a back end to a compiler.
Okay this is a big task I know writing a front end and multiple back ends e.g. Windows 32bit, Windows 64bit, Linux 32bit and Linux 64bit.
But I've decided that I've got no choice but to use it in some form.