There's also (even older) OS/VS. 8-)  I have both here on DATs (along with
OS/390, Linux/390).  (I am starting to write an S/390 port of NetBSD).

Peace...  Sridhar

On Sun, 24 Jun 2001 jonl@yubyub.net wrote:

> On Sat, 23 Jun 2001, Vance Dereksen wrote:
> 
> > Either that, or he really thought the machine was a mainframe, and he
> > thought it was DOS/VSE.  MS-DOS is not DOS.  MS-DOS is MS-DOS.  DOS is
> > DOS.  DOS is a mainframe operating system from the mid/late 60s.
> 
> Heh.  I'd completely forgotten about that.  My boss actually was talking
> about DOS/VSE a few days ago.  I'm not old enough to have had the
> pleasure, and I don't have access to any big iron...
> 
> -Jon
>