| Similarity | Rank | |
|---|---|---|
| svr4-based | 0.937 | 82341 |
| ultrix | 0.936 | 25945 |
| sqlbase | 0.934 | 84840 |
| ftx | 0.933 | 88971 |
| irix | 0.932 | 59756 |
| xenix | 0.932 | 53595 |
| posix-compliant | 0.931 | 64621 |
| corp-based | 0.930 | 53022 |
| iapx-86-based | 0.929 | 51691 |
| superserver | 0.929 | 48948 |
| 1-based | 0.927 | 84527 |
| mips-based | 0.927 | 73144 |
| hp9000 | 0.925 | 85960 |
| uts | 0.924 | 43620 |
| sparcs | 0.923 | 47503 |
| debuts | 0.923 | 45719 |
| uniface | 0.923 | 48607 |
| transputer-based | 0.923 | 53137 |
| decstation | 0.922 | 55861 |
| 3000 | 0.920 | 72338 |
| pc-nfs | 0.920 | 37650 |
| aviion | 0.920 | 28248 |
| 700s | 0.920 | 59326 |
| 9000 | 0.920 | 42537 |
| shrinkwrap | 0.918 | 54508 |