Explanation
"cd" is short for "change directory". You use this to go from one directory (or folder) to another. You have a couple of different ways to use this command, and here comes a few examples of them.
Examples
# Go back one folder
cd ..
# Go to a folder (in the same folder you are)
cd folder_name
# Go to a specific path
cd /var/www
# Go back to the folder you were in
cd -
# Go to your home folder
cd ~This is usually the "cd" commands I use. If you got any good tips for other ways to use "cd", please leave a comment below.