| Similarity | Rank | |
|---|---|---|
| xenix | 0.945 | 53595 |
| ungermann-bass | 0.945 | 65593 |
| scopus | 0.943 | 65551 |
| svr4-based | 0.940 | 82341 |
| ontos | 0.939 | 40813 |
| sqlbase | 0.939 | 84840 |
| bs2000 | 0.938 | 74997 |
| netdirector | 0.936 | 62581 |
| ca-unicenter | 0.936 | 41866 |
| hp9000 | 0.934 | 85960 |
| teamware | 0.934 | 92308 |
| stargroup | 0.934 | 99996 |
| xvision | 0.933 | 93493 |
| posix-compliant | 0.932 | 64621 |
| ptx | 0.932 | 92249 |
| netview | 0.931 | 49602 |
| adopts | 0.931 | 85042 |
| ctos | 0.931 | 75879 |
| miserver | 0.931 | 74174 |
| superserver | 0.931 | 48948 |
| codecenter | 0.930 | 74846 |
| 3000 | 0.930 | 72338 |
| servers | 0.928 | 35055 |
| wavetracer | 0.928 | 91860 |
| iapx-86-based | 0.926 | 51691 |