| Before 5th Edition |
79 |
| 5th Edition |
75 |
| 6th Edition |
108 |
| 7th Edition |
162 |
| 2.x BSD |
164 |
| 2.11 BSD |
1 |
| 2.11 BSD UNIX |
1 |
| 32/V |
1 |
| 4.2,4.3 BSD |
1 |
| 8th, 9th, 10th editions |
1 |
| All other PDP-11 Unixes |
2 |
| Any source we are able to track |
1 |
| Any version that runs on model PDP-11/23+ |
1 |
| Any version that will run on a minimum 11/34a. |
1 |
| BSD 4.2, 4.3 for VAX |
2 |
| It's not important |
1 |
| MERT if AT&T ever make its available |
1 |
| Mini UNIX |
1 |
| One that will run on a PDP-11/23+ |
1 |
| PWB |
2 |
| PWB, 32/V, 4.2BSD |
1 |
| Rutherford V7 |
1 |
| ULTRIX-11 |
1 |
| Ultrix-11 |
1 |
| all versions |
1 |
| any available |
1 |
| edition 7 ? |
1 |
| only limited use |
2 |
| pwb 1.0 |
1 |
| v6/PWB |
1 |
| version 3 |
1 |
| whatever will run on MY PDP-11 |
1 |