If you are serious about gaining your Linux Essentials certification you can gain a heavily discounted price to my Linux Essentials course via this link: https://www.udemy.com/learning-linux-essentials-taking-your-first-steps-in-linux/?couponCode=youtube-video More videos like this online at http://www.theurbanpenguin.com/ Topic 3.2 takes us into the realms of searching for files and data. We start with a little file redirection using the greater than symbols. then into piping using the vertical bar. Big area next looking at the tools such as find, cut, head, tail before we look at grep with regular expressions.