Exton|OS is based on Ubuntu 64 bit and Debian. Exton|OS's ISO files are ISO-hybrids, which means that they can very easily be transferred (copied) to a USB pen drive. You can then even run Exton|OS from the USB stick and save all your system changes on the stick. I.e. you will enjoy persistence!
Nice torrent. On which Ubuntu version is it based on? 14 or 16?