Quiet is always removed when persistent live by mkusb-plug because 'quiet splash' is replaced by 'persisstent '. Anyway, I ran the same Xubuntu Focal system, that I tested according to comment #25 in the Toshiba laptop
http://www.toshiba.se/laptops/satellite-pro/c850/satellite-pro-c850-19w/
in UEFI mode, and it was live-only. The output files, that you want, are attached here and in the next comment.
Quiet is always removed when persistent live by mkusb-plug because 'quiet splash' is replaced by 'persisstent '. Anyway, I ran the same Xubuntu Focal system, that I tested according to comment #25 in the Toshiba laptop
http:// www.toshiba. se/laptops/ satellite- pro/c850/ satellite- pro-c850- 19w/
in UEFI mode, and it was live-only. The output files, that you want, are attached here and in the next comment.