| Similarity | Rank | |
|---|---|---|
| sunos | 0.953 | 31967 |
| sparcs | 0.949 | 47503 |
| ultrix | 0.942 | 25945 |
| 68040-based | 0.942 | 65959 |
| decstation | 0.942 | 55861 |
| corp-based | 0.941 | 53022 |
| sparcsystems | 0.939 | 52554 |
| hp9000 | 0.938 | 85960 |
| 400s | 0.938 | 45267 |
| 9000 | 0.938 | 42537 |
| axp | 0.937 | 19475 |
| r3000-based | 0.937 | 68730 |
| u6000 | 0.937 | 55296 |
| mpx | 0.935 | 49934 |
| readies | 0.935 | 39237 |
| 700s | 0.934 | 59326 |
| 6000 | 0.934 | 20635 |
| xenix | 0.933 | 53595 |
| shrinkwrap | 0.932 | 54508 |
| adaptec | 0.932 | 59791 |
| lsx | 0.932 | 66805 |
| 80486-based | 0.930 | 33945 |
| 150mhz | 0.930 | 43656 |
| r3000 | 0.927 | 37587 |
| svr4-based | 0.926 | 82341 |