I've always been quite fond of booting live media. To test or install a new operating system, to recover an old one, find some privacy, or to do a myriad of other specialized tasks. LiveUSBs and liveCDs introduced to me a new way of thinking about my computer. It improved my mental model of the separation of between the machine, the UEFI (or BIOS), any bootloaders, and the operating system itself. As I learnt about them over 15 years ago I spent months exploring ways to use them. I used them ...
