On Sat, Jul 25, 2020 at 6:08 PM Dave Horsfall <dave@horsfall.org> wrote:

> On Sat, 25 Jul 2020, Warner Losh wrote:
>
> > 2.8BSD is the first one I've seen with a bootable tape (though i've not
> > booted it).
>
> Weren't V5/6/7/etc distributed as bootable tapes?  Set the switch register
> to point to the tape instead of the disk...
>

Yes. They were. We have V6 and V7 tapes (and a V5 disk image). Likely
earlier versions likely did too.  What I'd meant was that 2.8BSD is the
first 2BSD that had a bootable tape.

Warner