Essentials for Linux command line beginners
Here are some of the essential command line tips and tricks that a Linux beginner should know.

21 Super Handy Linux Command Tips and Tricks That Will Save you a lot of Time and Increase Your Productivity
You might not aware that these Linux command tricks existed. Use them like a pro in Linux terminal.
Learn to perform common tasks in the terminal
You may have done these things with a graphical tool. In Linux, you can do almost anything in the terminal. Here are a few examples.
Unusual but fun things you can do in the terminal
Those would still be normal stuff. Here are some unusual things you can absolutely do in the terminal.
Useful CLI tools you can use
Here are some command line tools you can use to perform system monitoring and managing from the terminal.