On Thu, 2023-03-16 at 09:17 -0600, home user wrote:
How do I determine the answer to Richard's first question?
https://www.google.com/search?q=did+my+linux+pc+boot+uefi+or+bios
"The easiest way to find out if you are running UEFI or BIOS is to look for a folder /sys/firmware/efi. The folder will be missing if your system is using BIOS."
That's on a running system, by the way.