No GUI just text, Starting out with terminal can be confusing and daunting. Looking past the black console commands are actually fairly simple. Here are the basics in navigation and file & folder handling.

Finding your feet

To print your current directory use

pwd

To print out the files and folders in your current directory

ls

Moving

To move into a directory

cd directoryname

To go back (up)

cd ..

Creating and deleting

Create a folder with

mkdir newfoldername

Delete a folder with

rm -d foldername

Files

Print file contents with

cat filename

Move a file

mv currentfolder movehere

Copy a file

cp file copytohere

Rename a file with mv

mv oldname renameto

Delete a file

rm -d filename

To edit a file

nano filename

Ctrl + x

Then

y

To confirm saving the file.