If you don't want to reformat your USB drive or need it to be FAT32 you can simply split your big file into parts. Most archive managers come with the split option and for the command line there's split, e.g. for your case:
If you don't want to reformat your USB drive or need it to be FAT32 you can simply split your big file into parts. Most archive managers come with the split option and for the command line there's split, e.g. for your case: