Yes. It is confirmed by a change in the init man page between v6 and v7. This can be seen in the TUHS archive. On Fri, Jan 20, 2023 at 5:46 PM ron minnich <rminnich at gmail.com> wrote: > > I am trying to remember when fd 2 (aka stderr) became a thing. I have a vague memory that it was post-v6 but that may be way off. > >