| Used Operating Systems |
| 1 | 5507 | 44.57 | 2041 | 44.77 | Windows NT |
| 2 | 4426 | 35.82 | 1771 | 38.85 | http://help.yahoo.com/help/us/ysearch/sl... |
| 3 | 755 | 6.11 | 179 | 3.93 | +http://www.google.com/bot.html |
| 4 | 419 | 3.39 | 240 | 5.26 | Windows 98 |
| 5 | 336 | 2.72 | 18 | 0.39 | +http://about.ask.com/en/docs/about/webm... |
| 6 | 186 | 1.51 | 44 | 0.97 | PPC Mac OS X Mach-O |
| 7 | 158 | 1.28 | 86 | 1.89 | Macintosh PPC |
| 8 | 136 | 1.10 | 2 | 0.04 | http://www.myfamilyinc.com |
| 9 | 112 | 0.91 | 7 | 0.15 | Windows XP |
| 10 | 81 | 0.66 | 50 | 1.10 | Linux i686 [unknown version] |
| 11 | 64 | 0.52 | 30 | 0.66 | +http://sp.ask.com/docs/about/tech_crawl... |
| 12 | 60 | 0.49 | 4 | 0.09 | Intel Mac OS X |
| 13 | 18 | 0.15 | 10 | 0.22 | Windows 95 |
| 14 | 12 | 0.10 | 12 | 0.26 | PPC Mac OS X |
| 15 | 10 | 0.08 | 5 | 0.11 | http://misc.yahoo.com.cn/help.html |
| 16 | 8 | 0.06 | 2 | 0.04 | WinHttp.WinHttpRequest.5 |
| 17 | 6 | 0.05 | 3 | 0.07 | MSIE 6.0 compatible; +http://www.become.... |
| 18 | 4 | 0.03 | 2 | 0.04 | Windows 9x |
| 19 | 4 | 0.03 | 2 | 0.04 | Macintosh |
| 20 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20021110 |
| 21 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20021107 |
| 22 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20021019 |
| 23 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20020726 |
| 24 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20020227 |
| 25 | 2 | 0.02 | 2 | 0.04 | Win32 |
| 26 | 2 | 0.02 | 0 | 0.00 | Macintosh; U; PPC Mac OS |
| 27 | 2 | 0.02 | 2 | 0.04 | Windows CE |
| 28 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20020824 |
| 29 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20020714 |
| 30 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20020428 |
| 31 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20020314 |
| 32 | 2 | 0.02 | 2 | 0.04 | Linux 2.4.x |
| 33 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20020720 |
| 34 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20020621 |
| 35 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20020713 |
| 36 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20020519 |
| 37 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20020405 |
| 38 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20020522 |
| 39 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20020203 |
| 40 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20020111 |
| 41 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20021218 |
| 42 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20020628 |
| 43 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20020503 |
| 44 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20020826 |
| 45 | 1 | 0.01 | 1 | 0.02 | i686 Linux; 20020315 |
| 46 | 1 | 0.01 | 1 | 0.02 | i686 Linux; 20021025 |
| 47 | 1 | 0.01 | 1 | 0.02 | i686 Linux; 20020221 |
