If you already have Ubuntu installed on your computer, then the easiest way to create a persistent bootable Xubuntu USB drive is to use the Startup Disk Creator.
Ọ bụrụ na i tinyeworị Ubuntu na kọmputa gị mgbe ahụ, ụzọ kachasị mfe iji mepụta ngwa ngwa USB na-agagharị agagharị bụ iji Malite Disk Creator.