What amazing things can you do in command prompt? I heard that you can detect viruses there?

Can anyone give me a list of additional things that i can do in command prompt that i can't do otherwise and instructions on how to do them.
(Student ITC)

What is a VPN?

VPN is (Virtual Private Network) were first used by companies to enable their employees to securely access internal systems such as email remotely (e.g. from home or while on business trips). Today they are increasingly being used for personal use by individuals to protect their privacy while online in public places (e.g. when using the wi-fi connection in a cafe) or in a country where the internet is censored / blocked (e.g. China, Saudi Arabia…).