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

If you own a Raspberry Pi, you can start several operating systems from a single boot medium. All you need is a micro SD card ...
SlashGear

How To Boot A Raspberry Pi From A USB Drive

It used to be typical for every variation of Raspberry Pi to require booting from an SD or microSD card. It wasn't until the Raspberry Pi 2 Model B that the firmware received an update for booting ...
ZDNet

New Raspberry Pi 4 update beta lets you boot from a USB mass storage device

The Raspberry PI Foundation has released beta firmware and a bootloader to enable booting the Raspberry Pi 4 from a USB mass storage device. The new firmware and bootloader could be useful to ...
ZDNet

Booting my Raspberry Pi 4 from a USB device

The firmware included with the Raspberry Pi 2 Model B version 1.2 introduced the possibility of booting from a USB device: before that, it was only possible to boot from an SD or microSD card. But ...