> On 03 Jul 2016, at 01:00 , Eric Smith <space...@gmail.com> wrote: > > On Sat, Jul 2, 2016 at 11:29 AM, Eric Christopherson > <echristopher...@gmail.com> wrote: >> Genius. But I would have thought CP/M would at least require a .com file to >> have a header. >> http://peetm.com/blog/?p=55 > > Multiple people independently invented the zero-byte CP/M program, > which is obviously the shortest possible useful computer program, but > I'd never before heard of anyone succeeding, or even attempting, to > sell the program.
I think the original implementation of /bin/true was a zero-length file, while /bin/false worked by not existing at all.
