确定操作系统类型的环境变量（Windows XP、Windows 7）
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Environment Variable to determine the OS type (Windows XP, Windows 7)
提问by Santhosh
I want to differentiate between Windows XP and Windows 7 in a XML file. Thought i will use an environment variable for it inside the XML.
我想在 XML 文件中区分 Windows XP 和 Windows 7。以为我会在 XML 中使用环境变量。
However I could not find any system environment variable defined in windows that gives this information.
但是，我找不到在 Windows 中定义的任何提供此信息的系统环境变量。
I see the %OSTYPE% variable but it is only available in Windows 7. It is not defined in XP.
我看到了 %OSTYPE% 变量，但它只在 Windows 7 中可用。它在 XP 中没有定义。
Is there anyway i could do this?
无论如何我可以做到这一点吗？
Note that i would like a solution which purely depends on system environment variables. I do not want to create new variables based on executing some command, because i want to use this variable in a XML file.
请注意，我想要一个完全取决于系统环境变量的解决方案。我不想基于执行某些命令创建新变量，因为我想在 XML 文件中使用这个变量。
采纳答案by zaf
No exactly preset environment variables but...
没有完全预设的环境变量，但是...
This articleis from Microsoft and it refers to a program called gettype.exe, I don't know if this is a built-in or not. I'm not on Windows to test. Anyway, maybe it helps you.
这篇文章来自微软，它指的是一个名为 的程序gettype.exe，我不知道这是不是内置的。我不是在 Windows 上进行测试。不管怎样，也许对你有帮助。
There's also verwhich looks built-in - here's an example scriptusing that.
回答by Fernmae
Near as I can tell the environment variable in XP is "OS".
就我所知，XP 中的环境变量是“OS”。
OS: Lists the name of the operating system. (Windows XP and Windows 2000 list the operating system as Windows_NT.)
OS：列出操作系统的名称。（Windows XP 和 Windows 2000 将操作系统列为 Windows_NT。）
See: http://www.techrepublic.com/article/understanding-windows-xps-environment-variables/5986211
请参阅：http: //www.techrepublic.com/article/understanding-windows-xps-environment-variables/5986211
