thans for good information . your writing is difficult for the MAC newbie like me . i need some time to understand it .
by the way i uproad the scene how manjarolinux's grub boots openbsd 6.2 . it is https://youtu.be/VCd8-ttmq4k . i add a commment . it is queer that my manjarolinux's grub can boot openbsd & windows 10 but cannot boot manjarolinux itself . perhaps something is wrong . ----- regards
