[ Thanks to darkduck for this link.
“LiveUSB OpenBSD has several downloading options. They vary from
very basic OS to fully loaded image. I downloaded fully loaded
image, which is about 320 Mb. You may say that 320 Mb is too small
for “fully loaded BSD-based system”, but that’s only compressed
image. Full size of this version is about 4Gb. I unpacked it and
then burnt it onto my 8Gb USB stick using dd command in Mageia 1
Linux. Reboot. Choose to boot from USB. Result? Unfortunately, not