These lists can be quite useful.
In addition, I strongly suggest that anyone learning Linux create a list of his own. Create a simple text file, and when you use a command you haven't previously used, put the command there plus whatever notes you want. When you want to do something that you have done before but don't remember what the command is, it is a simple matter of opening the file and looking inside. Soon the file will grow, and you will see how much you have done and learned.