| Used Operating Systems |
| 1 | 5233 | 44.74 | 2046 | 41.60 | Windows NT |
| 2 | 4189 | 35.82 | 2081 | 42.31 | http://help.yahoo.com/help/us/ysearch/sl... |
| 3 | 791 | 6.76 | 168 | 3.42 | +http://www.google.com/bot.html |
| 4 | 513 | 4.39 | 336 | 6.83 | Windows 98 |
| 5 | 488 | 4.17 | 89 | 1.81 | Macintosh PPC |
| 6 | 104 | 0.89 | 4 | 0.08 | Windows XP |
| 7 | 102 | 0.87 | 31 | 0.63 | PPC Mac OS X Mach-O |
| 8 | 48 | 0.41 | 20 | 0.41 | Linux i686 [unknown version] |
| 9 | 36 | 0.31 | 18 | 0.37 | +http://sp.ask.com/docs/about/tech_crawl... |
| 10 | 30 | 0.26 | 16 | 0.33 | +http://about.ask.com/en/docs/about/webm... |
| 11 | 26 | 0.22 | 10 | 0.20 | Windows 9x |
| 12 | 20 | 0.17 | 10 | 0.20 | http://misc.yahoo.com.cn/help.html |
| 13 | 16 | 0.14 | 10 | 0.20 | PPC Mac OS X |
| 14 | 14 | 0.12 | 5 | 0.10 | MSIE 6.0 compatible; +http://www.become.... |
| 15 | 10 | 0.09 | 4 | 0.08 | Intel Mac OS X |
| 16 | 10 | 0.09 | 6 | 0.12 | Windows 95 |
| 17 | 4 | 0.03 | 4 | 0.08 | Win32 |
| 18 | 4 | 0.03 | 4 | 0.08 | i686 Linux; 20021212 |
| 19 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20021224 |
| 20 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20021004 |
| 21 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20021220 |
| 22 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20020920 |
| 23 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20020917 |
| 24 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20020722 |
| 25 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20020421 |
| 26 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20020616 |
| 27 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20020410 |
| 28 | 2 | 0.02 | 0 | 0.00 | Macintosh; U; PPC Mac OS |
| 29 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20020219 |
| 30 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20020428 |
| 31 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20021215 |
| 32 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20020904 |
| 33 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20020603 |
| 34 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20020809 |
| 35 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20020416 |
| 36 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20020126 |
| 37 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20020320 |
| 38 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20020108 |
| 39 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20021214 |
| 40 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20020723 |
| 41 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20021218 |
| 42 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20020422 |
| 43 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20020114 |
| 44 | 2 | 0.02 | 2 | 0.04 | i686 Linux; 20020107 |
| 45 | 1 | 0.01 | 1 | 0.02 | i686 Linux; 20020818 |
| 46 | 1 | 0.01 | 1 | 0.02 | i686 Linux; 20020205 |
| 47 | 1 | 0.01 | 1 | 0.02 | i686 Linux; 20020315 |
| 48 | 1 | 0.01 | 1 | 0.02 | i686 Linux; 20020120 |
| 49 | 1 | 0.01 | 1 | 0.02 | i686 Linux; 20020305 |
| 50 | 1 | 0.01 | 1 | 0.02 | i686 Linux; 20021222 |
