Thanks to open-source gem UNetbootin, you can quickly and easily transform a flash drive into the ultimate rescue tool.

Step two: Create a bootable CD/DVD or USB flash drive. Step three: Boot that media on the destination system, then make a few decisions regarding the installation.

If you're trying to install a new operating system or flash your BIOS, you're going to need a bootable USB drive - here's how to make one.

Perhaps they referenced this guide to create a bootable Live USB on Windows, allowing them to test drive something like Ubuntu without making any changes to their PC.