| Similarity | Rank | |
|---|---|---|
| mp-2 | 0.918 | 80404 |
| qume | 0.913 | 86127 |
| mips-based | 0.908 | 73144 |
| bs2000 | 0.907 | 74997 |
| posix-compliant | 0.906 | 64621 |
| uts | 0.904 | 43620 |
| sqlbase | 0.903 | 84840 |
| parsys | 0.903 | 55153 |
| non-ibm | 0.902 | 65045 |
| avs | 0.901 | 47297 |
| dataman | 0.900 | 78163 |
| ftx | 0.900 | 88971 |
| drs6000 | 0.900 | 45562 |
| imageworks | 0.899 | 69042 |
| codecenter | 0.898 | 74846 |
| hp9000 | 0.898 | 85960 |
| 1-based | 0.898 | 84527 |
| sinix | 0.897 | 63188 |
| s-mp | 0.897 | 91706 |
| shrinkwrap | 0.897 | 54508 |
| viking-based | 0.896 | 66343 |
| enters | 0.896 | 83533 |
| xenix | 0.896 | 53595 |
| intel-based | 0.896 | 55849 |
| expands | 0.894 | 58907 |