| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 3140 | 12 % | ||
 | Windows XP | 1818 | 6.9 % |  |
 | Windows NT | 2 | 0 % | |
 | Windows Vista (LongHorn) | 510 | 1.9 % | |
 | Windows 98 | 22 | 0 % | |
 | Windows 2008 | 754 | 2.8 % | |
 | Windows 2003 | 30 | 0.1 % | |
 | Windows 2000 | 4 | 0 % | |
| BSD | 399 | 1.5 % | ||
 | OpenBSD | 4 | 0 % | |
 | NetBSD | 5 | 0 % | |
 | FreeBSD | 390 | 1.4 % | |
| Linux | 17079 | 65.5 % | ||
 | Ubuntu | 1964 | 7.5 % | |
 | Suse | 86 | 0.3 % | |
 | Mandriva (or Mandrake) | 181 | 0.6 % | |
 | Gentoo | 2549 | 9.7 % | |
 | Fedora | 50 | 0.1 % | |
 | Debian | 60 | 0.2 % | |
 | Centos | 38 | 0.1 % | |
 | GNU Linux (Unknown or unspecified distribution) | 12151 | 46.6 % | |
| Macintosh | 221 | 0.8 % | ||
 | Mac OS X | 221 | 0.8 % | |
| Others | 5201 | 19.9 % | ||
 | Unknown | 5162 | 19.8 % | |
 | Unknown Unix system | 24 | 0 % | |
 | Sun Solaris | 15 | 0 % | |