Deadly Linux Commands

If you are new to Linux, chances are you will meet a stupid person perhaps in a forum or chat room that can trick you into using commands that will harm your files or even your entire operating system.
Don’t run anything without understanding exactly what it does. Look it up (use Google or man command) if there’s any part of a command you’re not clear on.
To avoid this dangerous scenario from happening, I have here a list of deadly (Most Dangerous) Linux commands that you should avoid.