Douglas Taylor dj.taylor4 at comcast.net
Sat Aug 14 15:08:32 CDT 2021

On 8/14/2021 1:54 PM, Warner Losh wrote:
> On Sat, Aug 14, 2021 at 10:19 AM Douglas Taylor via cctalk 
> <cctalk at classiccmp.org <mailto:cctalk at classiccmp.org>> wrote:
>     I ran into a YouTube video, that it is 5 years old, titled "Ultrix-11
>     3.1 on an emulated PDP-11/73" and I found it very interesting.
>     It shows installation of Ultrix-11 under SIMH.  The fellow steps
>     through
>     the installation process and appears to be quite knowable.
>     I wanted to replicate it but couldn't locate the *.tap file used
>     in the
>     video that was an image of the bootable TK50 distribution.
>     Bitsavers and tuhs.org <http://tuhs.org> have Ultrix-11 files, but
>     not the bootable tape
>     image.
>     Anyone know where the tape image is located?
> https://www.tuhs.org/Archive/Distributions/DEC/Ultrix-3.1/ 
> <https://www.tuhs.org/Archive/Distributions/DEC/Ultrix-3.1/> 
> has ultrix-3.1-bootape.tar.gz and seems to be, at first blush, the 
> boot tape (or its files) that you are looking for.
> Warner

I took a look at that file and don't exactly know what to do with it.  
It is not a bootable image of a tape, but rather the files that are on 
that tape.  Have to do some more digging.  Its a learning experience.

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