Ventoy is a new software application for Linux and Windows to create multi-boot USB devices using ISO images that you place on the deice.
www.ghacks.net
""You can transfer multiple ISO images to the device once the Ventoy structure has been created on the device using an installer. It is possible to place Windows and Linux images on the device to boot from them whenever the need arises. Updating of ISO images is a breeze as well as you simply replace an ISO image with another
I have mostly been a sucker for bootable USB Stick. I find they come in handy for fixing partitions, recovering data and even virus scanning. They tend to be very useful for Windows Systems which are not recovering properly, which rarely happens (I am of course kidding). I find that Linux...
www.linux.org
Their writing is really clear, while being quite detailed.