| Similarity | Rank | |
|---|---|---|
| 700s | 0.909 | 59326 |
| lsx | 0.907 | 66805 |
| ca-unicenter | 0.906 | 41866 |
| iapx-86-based | 0.905 | 51691 |
| 1-based | 0.904 | 84527 |
| svr4-based | 0.904 | 82341 |
| ftx | 0.902 | 88971 |
| mpe | 0.902 | 43668 |
| gcos | 0.900 | 56928 |
| multi-user | 0.899 | 23521 |
| shrinkwrap | 0.899 | 54508 |
| sunos | 0.899 | 31967 |
| 68040-based | 0.898 | 65959 |
| 9000 | 0.898 | 42537 |
| corp-based | 0.897 | 53022 |
| posix-compliant | 0.897 | 64621 |
| irix | 0.895 | 59756 |
| xvision | 0.895 | 93493 |
| hp9000 | 0.895 | 85960 |
| pc-xview | 0.894 | 92376 |
| intel-based | 0.894 | 55849 |
| mpx | 0.894 | 49934 |
| deskpro | 0.894 | 65019 |
| decstation | 0.894 | 55861 |
| pc-dos | 0.893 | 76178 |