Having only one user, which is root, can be dangerous. Running your own personal server allows you the freedom of doing whatever you wish, so let’s make use of this by adding a user with sudo access instead of direct root access.
Operating Systems
The Operating System is the low-level software that supports a computer’s basic functions, such as scheduling tasks and controlling peripherals. Examples include Windows, Unix, GNU/Linux and Mac OSX. In recent years the rise of mobile devices has seen new operating systems like Android and ChromeOS enter the market too.