| Similarity | Rank | |
|---|---|---|
| GNU | 0.879 | 27348 |
| Unix | 0.875 | 21500 |
| FreeBSD | 0.873 | 43511 |
| UNIX | 0.867 | 26761 |
| Linux | 0.862 | 5281 |
| NetBSD | 0.845 | 87686 |
| RedHat | 0.827 | 89416 |
| GPL | 0.824 | 35414 |
| Cygwin | 0.819 | 92882 |
| Debian | 0.812 | 25589 |
| Slackware | 0.807 | 81979 |
| POSIX | 0.801 | 64886 |
| Fedora | 0.800 | 33321 |
| MacOS | 0.797 | 63038 |
| SUSE | 0.790 | 84216 |
| AIX | 0.789 | 75664 |
| Perl | 0.788 | 20863 |
| x86 | 0.783 | 39287 |
| gcc | 0.770 | 67915 |
| CentOS | 0.770 | 66620 |
| OSes | 0.769 | 84328 |
| JDK | 0.768 | 72874 |
| unix | 0.767 | 63175 |
| JRE | 0.763 | 98414 |
| linux | 0.762 | 24945 |