From media centers to Kali Linux: How to dual boot on Raspberry Pi

A Raspberry Pi multiboot lets you pick Raspberry Pi OS, Ubuntu, or MX Linux at startup without changing SD cards.
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10 terminal commands that helped me finally understand Linux

I used to be terrified of using the terminal, but as a Linux user, it's something you get accustomed to fairly quickly, and it's extremely helpful to know your way around. So, if you're new to Linux, ...