pwd = print working directory
when you start a new terminal you are in the home directory
ls = list the files in the directory
clear = clears the terminal
cd = change directory
cd /= (tilda changed to a slash) this will navigate you to the root directory
cd ~ = takes you to home/root directory
cd /users = takes you to users directory
cd.. = always takes you up one hierachy level
~ = home directory
always try to use relative paths
touch = creates new files
mkdir = make a directory
rm = remove
rmdir = remove directory
flags = additional options we can to a command
man rm = brings up the manual for flags
rm -r = remove folder and its directory