Recently, I added the package lrzsz to op-build in this commit. This package provides the rz and sz commands – for receive zmodem and send zmodem respectively. For those who don’t know, op-build builds a firmware image for OpenPOWER machines, … Continue reading ZMODEM saves the day! Or, why my firmware for a machine with a CPU from 2017 contains a serial file transfer protocol from the 1980s