在Java中，猜测操作系统时有一些常见的错误：
http://bugs.sun.com/view_bug.do?bug_id=6819886
也许在Java的较新版本中，它们已解决。
在Javascript中，您可以使用navigator.appVersion：
// This script sets OSName variable as follows:// "Windows" for all versions of Windows// "MacOS" for all versions of Macintosh OS// "Linux" for all versions of Linux// "UNIX" for all other UNIX flavors // "Unknown OS" indicates failure to detect the OSvar OSName="Unknown OS";if (navigator.appVersion.indexOf("Win")!=-1) OSName="Windows";if (navigator.appVersion.indexOf("Mac")!=-1) OSName="MacOS";if (navigator.appVersion.indexOf("X11")!=-1) OSName="UNIX";if (navigator.appVersion.indexOf("Linux")!=-1) OSName="Linux";document.write('Your OS: '+OSName);
