Build your own antisocial writing rig with DOS and a $2 USB key

Sometimes, the size and complexity of modern OSes - even the FOSS ones - is enough to make us miss the days when an entire bootable OS could fit in three files, when configuring a PC for production meant editing two plain-text files, which contained maybe a dozen lines each. DOS couldn't do very much, but the little it did was enough. From the early 1980s for a decade or two, much of the world ran on DOS. Then Windows 3 came along, which is arguably the point where the rot set in....