You need to download some files to follow this lesson. If you are working on your local machine (Mac OS X/Linux), you can simply follow these directions:
If you are working on the Palmetto cluster, you will need to do the following:
$ cd $ wget https://github.com/clemsonciti/linux-workshop/raw/gh-pages/data/shell-novice-data.zip $ unzip shell-novice-data.zip
In the lesson, you will find out how to access the data in this folder.