1*4675fc66Sderaadtdnl $OpenBSD: upgrade,v 1.10 2020/05/17 17:04:28 deraadt Exp $ 2*4675fc66SderaadtOpenBSDUpgrade({:-the LIF image ``lif{:--:}OSrev.img'', or a RAMDISK kernel ``bsd.rd''-:}) 3