[TUHS] porting to different systems, Bootstrapping UNIX - how was it done

[John Levine via TUHS]

It appears that Clem Cole via TUHS <clemc at ccc.com> said:
>On Tue, Mar 24, 2026 at 12:34 PM Paul Winalski via TUHS <tuhs at tuhs.org>
>wrote:
>
>>
>> The original PDP-10 did not have virtual memory capability.
>
>right KA10/KI10s

The KA10 had a two section relocation and protection box, geenrally with the
low half being writable and the top half read only and shared.  The KI10 had
a pager, but not as sophisticated as the BBN one.  It says so here on pages
1-38 and 1-39 of the manual.

>> BBN designed their own paging hardware and wrote their own operating
>> system called TENEX.

Right, which evolved into TOPS-20

R's,
John