U know that it has an OS running on top of it at all?</li>
<li>Do all CPUs know what a segmentation fault is? </li>
<li>Why do we get an error message at all and not just a crash?</li>
</ul>
<h2><a class="header" href="#down-the-rabbit-hole" id="down-the-rabbit-hole">Down the rabbit hole</a></h2>
<p>Yes, this is a small rabbit hole. It turns out that there
is a great deal of corporation between the OS and the CPU, but maybe not the way you naively would think.</p>
<p>Many modern CPUs provide some basic infr