Hi, I downloaded deftpen_5x.dd which I wish to install on a bootable USB using Debian. I have 'unetbootin' but am not familiar with the *.dd file system. ls -la gives me -rw-r--r-- 1 adam adam 1018167296 Mar 12 13:00 deftpen_5x.dd Could anyone advise on appropriate handling of *.dd ? Adam.