Changes

<ul>

<li><span style="background:#ffff00;">[https://wiki.cdot.senecacollege.ca/wiki/Tutorial10:_Shell_Scripting_-_Part_1 Tutorial10: Shell Scripting (Part 1)]</span></li>

<li>[http://czegel.com/seneca/uli101/lectures/Lecture10.html Les Czegel's Week 10 Notes]</li>

</ul>