Prior to learning GDAL or scripting it is important to learn the Command Line and how to use commands from the command prompt.
we're going to delete the directory called Peter.
1. First move one directory up, so you're back in the root of the C-Drive. Type:cd .. <ENTER>
cd .. <ENTER>
2. Remove the directory Peter by typing:rd
rd means "remove directory".
3. List the directory to check if Peter has been
Note that you can only remove a directory in this way if it is empty!