| Versions | Hits | Percent | ||
|---|---|---|---|---|
| Windows | 26985 | 24.8 % | ||
 | Windows XP | 11615 | 10.7 % |  |
 | Windows (unknown version) | 3 | 0 % | |
 | Windows NT | 13 | 0 % | |
 | Windows ME | 7 | 0 % | |
 | Windows Vista (LongHorn) | 1844 | 1.6 % | |
 | Windows Mobile | 2 | 0 % | |
 | Windows 98 | 30 | 0 % | |
 | Windows 95 | 2 | 0 % | |
 | Windows 2008 | 13291 | 12.2 % | |
 | Windows 2003 | 130 | 0.1 % | |
 | Windows 2000 | 47 | 0 % | |
 | Windows 3.xx | 1 | 0 % | |
| BSD | 3561 | 3.2 % | ||
 | OpenBSD | 305 | 0.2 % | |
 | NetBSD | 111 | 0.1 % | |
 | FreeBSD | 3145 | 2.8 % | |
| Linux | 58219 | 53.6 % | ||
 | Ubuntu | 11823 | 10.8 % | |
 | Suse | 654 | 0.6 % | |
 | Red Hat | 298 | 0.2 % | |
 | Mandriva (or Mandrake) | 238 | 0.2 % | |
 | Gentoo | 713 | 0.6 % | |
 | Fedora | 979 | 0.9 % | |
 | Debian | 1141 | 1 % | |
 | Centos | 338 | 0.3 % | |
 | GNU Linux (Unknown or unspecified distribution) | 42035 | 38.7 % | |
| Macintosh | 5430 | 5 % | ||
 | Mac OS X | 5200 | 4.7 % | |
 | Mac OS | 230 | 0.2 % | |
| Others | 14340 | 13.2 % | ||
 | Unknown | 14089 | 12.9 % | |
 | Sun Solaris | 178 | 0.1 % | |
 | CPM | 59 | 0 % | |
 | Unknown Unix system | 14 | 0 % | |