| Similarity | Rank | |
|---|---|---|
| hp9000 | 0.942 | 85960 |
| cadam | 0.938 | 69846 |
| xenix | 0.937 | 53595 |
| informix-gateway | 0.936 | 91940 |
| svr4-based | 0.936 | 82341 |
| 88000-based | 0.934 | 75103 |
| symbolics | 0.933 | 74992 |
| covia | 0.933 | 75122 |
| iapx-86-based | 0.931 | 51691 |
| pc-to-unix | 0.930 | 90794 |
| qume | 0.929 | 86127 |
| 3000 | 0.928 | 72338 |
| metaware | 0.928 | 99765 |
| tricord | 0.926 | 59821 |
| xvt | 0.925 | 54925 |
| uniface | 0.924 | 48607 |
| ca-unicenter | 0.924 | 41866 |
| visix | 0.923 | 59954 |
| lsx | 0.923 | 66805 |
| netlabs | 0.922 | 75212 |
| non-unix | 0.922 | 66254 |
| targon | 0.922 | 82895 |
| qualix | 0.921 | 65404 |
| non-ibm | 0.920 | 65045 |
| xvision | 0.920 | 93493 |