| Similarity | Rank | |
|---|---|---|
| SUSE | 0.871 | 84216 |
| RedHat | 0.865 | 89416 |
| FreeBSD | 0.839 | 43511 |
| Linux | 0.837 | 5281 |
| ESX | 0.823 | 66518 |
| VMWare | 0.823 | 59206 |
| UNIX | 0.823 | 26761 |
| XenServer | 0.814 | 80726 |
| DB2 | 0.811 | 54870 |
| Slackware | 0.809 | 81979 |
| 64-bit | 0.807 | 26481 |
| NetBSD | 0.806 | 87686 |
| Unix | 0.806 | 21500 |
| x86 | 0.800 | 39287 |
| Solaris | 0.800 | 32799 |
| CentOS | 0.799 | 66620 |
| VMware | 0.798 | 20105 |
| Novell | 0.792 | 48324 |
| BSD | 0.789 | 45167 |
| 64bit | 0.785 | 66119 |
| Server | 0.783 | 6150 |
| vSphere | 0.781 | 53635 |
| Hyper-V | 0.779 | 52860 |
| Debian | 0.779 | 25589 |
| PostgreSQL | 0.778 | 48448 |