I'm running Windows 7 Home Premium Service Pack 1.
The first line printed when I open a cmd window is:
Microsoft Windows [Version 6.1.7601]
Any ideas why?
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google.co.uk/search?q=6.1.7601– Reg EditJun 21, 2015 at 8:34
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2 Answers
Why does the cmd show the Windows version number as being 6.1.7601?
What you are seeing is the version and build number (which is different to the operating system name).
For example, here are the names and version numbers of the most recent Windows operating systems. The second columns is the Version / Build / Date.
You can find a full list at Windows Version Numbers.
Please note that as per the comment by magicandre1981 this list may not be accurate.
Further reading
Windows Confidential: Numerology of the build by Raymond Chen (Principal Software Design Engineer at Microsoft).
The Old New Thing: Practical Development Throughout the Evolution of Windows by Raymond Chen (Principal Software Design Engineer at Microsoft).
answered Jun 20, 2015 at 20:52
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1I see. I would've thought that they would keep the build number in line with the operating system name, prefixing win 7 with a 7, and so on.– AJ WeeksJun 20, 2015 at 21:19
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@magicandre1981 As I understand that just means they were built from the same source version– DavidPostill ♦Jun 21, 2015 at 7:51
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this is correct, but Buildnumber 9200 is still wrong, it is 9600 for 8.1 and 2012R2. Jun 21, 2015 at 18:31
The version is correct.
Remember, the number in Windows 7 is the one that is used in marketing, not the actual internal version used in development.
cmd is showing the Windows NT version, which is 6.1 for Windows 7. The last number is, of course, the build number.
