Make a Live USB to boot from a USB drive.Some Linux distros are designed to fit on a small USB, but choose one that fits with the way you like to work. First, of course make sure your potential host machine will boot from USB
How To Install Multiple Bootable Operating Systems on One USB Stick
Fellow reader Dado asked us, "How can I run multiple operating systems from a single USB?" This becomes practical if the different operating systems are Live CDs, i.e. designed to access a PC from outside of the computer's own operating system. This can be handy if the native operating system is corrupted through misuse, poor maintenance, or worse, malware. There are several tools that can help you create your multiboot USB stick. We tested three of them: XBoot, MultiBootUSB, and YUMI.
Make a Live USB to boot from a USB drive A Live USB will let you run an operating system off of a USB drive, so you can try a operating system without a partition, or carry a favorite one with you, or have an emergency backup in case your computer crashes
We have come a long, long way since using floppy disks and having to actually remember people’s telephone numbers. Technology since the millennium has changed drastically and is only set to get even more sci-fi on us. Remember films like Blade Runner and The Matrix, well; we are living this now and it's only going to get more exciting!