Yes, Linux can be set up on an SD card and function similarly to how it operates on a traditional HDD or SSD.
Yes, Linux can be set up on an SD card and function similarly to how it operates on a traditional HDD or SSD.
An empty formatted card won't show up in a UEFI boot menu. It only appears once there's an actual EFI loader there. If there are multiple then they'll all show. Under UEFI it's not tied to the drive anymore but to the loaders present.