13 Dec
2017
13 Dec
'17
8:15 a.m.
On Wed, Dec 13, 2017 at 2:16 AM, Noel Chiappa <jnc(a)mercury.lcs.mit.edu> wrote:
The Unix Tree does have a section for "Unix
Clones", and it has Coherent,
Xinu, Minix and some early Linuxes.
https://upload.wikimedia.org/wikipedia/commons/5/50/Unix_history-simple.png
Another Unix clone to find: http://i.imgur.com/dlGTh.png
Yourdon UNIX known as OMNIX for the Zilog Z-80
- compatible with CP/M
- ran on Industrial Microsystems and Cromemco CS-3
- had its own shell?
- multi-user and multi-process
I remain surprised/impressed that so many people from that era simply
decided to write their own Unix clone, no small undertaking at the
time.
