Libre OS USB is portable OS which you can carry in a USB key and access it anywhere from any PC. This OS is meant to boot on any machine and it supports both legacy and UEFI bootloader. Unlike other distro which take space in your hard drive, Libre OS USB completely take it’s space in the USB. A standard 16gb USB is enough to carry this OS and all your important files around. It work as a live OS. All you need to do is make a USB key of Libre OS USB and just plug it in any pc and tweak your bootloader, you will get access to this wonderful OS. This can be anything, your portable office, a portable studio, a data rescue OS, an everyday OS, etc.