| Similarity | Rank | |
|---|---|---|
| svr4-based | 0.944 | 82341 |
| xenix | 0.942 | 53595 |
| u6000 | 0.942 | 55296 |
| corp-based | 0.942 | 53022 |
| 1-based | 0.941 | 84527 |
| r3000-based | 0.941 | 68730 |
| uts | 0.939 | 43620 |
| iapx-86-based | 0.938 | 51691 |
| metaware | 0.937 | 99765 |
| hp9000 | 0.936 | 85960 |
| r4000-based | 0.935 | 81169 |
| vaxe | 0.935 | 68878 |
| drs6000 | 0.934 | 45562 |
| alpha-based | 0.934 | 47070 |
| single-chip | 0.934 | 47234 |
| sinix | 0.932 | 63188 |
| 3000 | 0.932 | 72338 |
| ftx | 0.932 | 88971 |
| sqlbase | 0.931 | 84840 |
| 700s | 0.931 | 59326 |
| miserver | 0.931 | 74174 |
| pa-risc | 0.930 | 37089 |
| 68040-based | 0.930 | 65959 |
| x-terminals | 0.930 | 75850 |
| mbus-based | 0.930 | 74895 |