| Similarity | Rank | |
|---|---|---|
| lsx | 0.962 | 66805 |
| ctos | 0.951 | 75879 |
| hp9000 | 0.951 | 85960 |
| 3000 | 0.951 | 72338 |
| svr4-based | 0.950 | 82341 |
| mpx | 0.949 | 49934 |
| corp-based | 0.949 | 53022 |
| r3000-based | 0.947 | 68730 |
| multiuser | 0.945 | 59386 |
| vaxe | 0.945 | 68878 |
| x-window | 0.944 | 33944 |
| xenix | 0.944 | 53595 |
| ftx | 0.942 | 88971 |
| alpha-based | 0.942 | 47070 |
| 68040-based | 0.942 | 65959 |
| uniface | 0.942 | 48607 |
| mips-based | 0.941 | 73144 |
| ptx | 0.941 | 92249 |
| informix-gateway | 0.941 | 91940 |
| parix | 0.941 | 75381 |
| mainframe-class | 0.940 | 66063 |
| targon | 0.939 | 82895 |
| non-ibm | 0.939 | 65045 |
| unix-like | 0.939 | 84794 |
| intel-based | 0.938 | 55849 |