| Similarity | Rank | |
|---|---|---|
| sparcstation | 0.885 | 12724 |
| unixware | 0.882 | 17558 |
| multi-processor | 0.879 | 26708 |
| hp-ux | 0.876 | 21501 |
| nextstep | 0.872 | 23499 |
| svr4 | 0.870 | 10780 |
| openvms | 0.869 | 31561 |
| powerpc | 0.868 | 12778 |
| sunos | 0.866 | 31967 |
| low-end | 0.866 | 18379 |
| ms-dos | 0.865 | 7973 |
| mvs | 0.863 | 22014 |
| superscalar | 0.861 | 22963 |
| netware | 0.861 | 9094 |
| ultrix | 0.861 | 25945 |
| mpx | 0.857 | 49934 |
| unix | 0.856 | 2232 |
| encina | 0.855 | 27100 |
| dce | 0.855 | 13660 |
| x86 | 0.854 | 36118 |
| oems | 0.852 | 32235 |
| osf | 0.852 | 7357 |
| x-windows | 0.851 | 26557 |
| axp | 0.851 | 19475 |
| pc-nfs | 0.850 | 37650 |