| Similarity | Rank | |
|---|---|---|
| svr4-based | 0.921 | 82341 |
| ez-rpc | 0.920 | 81240 |
| pc-to-unix | 0.915 | 90794 |
| iapx-86-based | 0.912 | 51691 |
| source-level | 0.911 | 90813 |
| posix-compliant | 0.911 | 64621 |
| corp-motorola | 0.906 | 98979 |
| sinix | 0.905 | 63188 |
| xenix | 0.905 | 53595 |
| enhancements | 0.904 | 89398 |
| win32 | 0.903 | 63423 |
| targon | 0.902 | 82895 |
| ctos | 0.901 | 75879 |
| multiuser | 0.901 | 59386 |
| netbios | 0.901 | 78132 |
| tandberg | 0.901 | 84448 |
| 3000 | 0.901 | 72338 |
| mips-based | 0.901 | 73144 |
| toolbus | 0.900 | 81394 |
| codecenter | 0.900 | 74846 |
| uniface | 0.898 | 48607 |
| saic | 0.898 | 90421 |
| co-developing | 0.896 | 84454 |
| mpx | 0.896 | 49934 |
| smartstream | 0.896 | 32838 |