In this scenario you will be learning about a basic command, in linux. The way we will be running this commands is through an interface known as terminal it runs commands without a graphical user interface (GUI). GUI's help the user use a computer systems interface. Some examples of GUI's is file explorer, settings etc these all interact with the computer to perform a certain function. Hackers usually use different forms of terminals to hack, so they can send specific commands to the computer. The command we will be learning about is the whoami command.