https://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.124.6859&rep=rep1&type=pdf
works fine, no paywall.

On Mon, Aug 2, 2021 at 2:53 PM Clem Cole <clemc@ccc.com> wrote:

>
> On Mon, Aug 2, 2021 at 1:37 PM Lars Brinkhoff <lars@nocrew.org> wrote:
>
>> John Cowan wrote:
>> > Early versions of PDP-7 [Unix] used the same process model as Tenex
>>
>> I understand both Tenex and Unix got the concept of "fork" from Project
>> Genie.
>
>
> Should be required reading of all intro to OS students:
>
> Programming Semantics for Multiprogrammed Computations
>
> Jack B. Dennis and Earl C. Van Horn
>
> Massachusetts Institute of Technology, Cambridge, Massachusetts
>
> Volume 9 / Number 3 / March, 1966
>
> [If your Internet search fails you and/or you find it behind an ACM
> paywall or the like, drop me a line, I'll forward a PDF of a scan].
>
>
> ᐧ
> ᐧ
>