Welcome to Roanoke Linux Users Group Tuesday, February 20 2018 @ 12:25 PM EST
Part of the learning curve with any new OS such as Linux is the underlying infrastructure. Such as getting around in a Linux/Unix file structure. Here are a couple of links to useful information:
Filesystem Hierarchy Standard (Wikipedia)
And sometimes you have to open up the Terminal and go exploring on the command-line to get used to how things look, especially if you've been using the DOS/Windows way of doing things for awhile.