unix

ls - list all the files or folders in the current directory.

pwd - shows you the present working directory

~/ - takes you back to your user directory

cp - copies the file or folder
You can copy files or folders to a different directory. Remember to use the -r 
agument to copy recursively.

rm - Removes file or folder. Remember to use -r to recursively remove the folder.

mv - To move files or folder to a different directory. Remember to use -r for
folders. You can rename files with mv

chown - change ownership of a file or folder. If you need admin access, you do sudo {filename} 

touch - create a file

/mount - is where your usb is located.