| Similarity | Rank | |
|---|---|---|
| ultrix | 0.958 | 25945 |
| sparcstations | 0.953 | 42090 |
| openvms | 0.940 | 31561 |
| xenix | 0.939 | 53595 |
| 9000 | 0.936 | 42537 |
| axp | 0.934 | 19475 |
| mpx | 0.933 | 49934 |
| hp-ux | 0.933 | 21501 |
| sparcs | 0.932 | 47503 |
| r3000-based | 0.932 | 68730 |
| corp-based | 0.932 | 53022 |
| hp9000 | 0.932 | 85960 |
| 700s | 0.930 | 59326 |
| multi-processor | 0.930 | 26708 |
| shrinkwrap | 0.929 | 54508 |
| pc-nfs | 0.929 | 37650 |
| r3000 | 0.929 | 37587 |
| decstation | 0.929 | 55861 |
| 68040-based | 0.928 | 65959 |
| svr4-based | 0.928 | 82341 |
| riscs | 0.926 | 38008 |
| u6000 | 0.924 | 55296 |
| 3000 | 0.923 | 72338 |
| 400s | 0.923 | 45267 |
| readies | 0.922 | 39237 |