How to check the OS version at runtime, e.g. on Windows or Linux, without using a conditional compilation statement

Question

How do I determine what platform my C# code is running on? for example whether it is running on Linux or windows so that I can execute different code at runtime.

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Answer 1

I found this recommendation on one of Microsoft's blogs:

We recommend you to use RuntimeInformation.IsOSPlatform() for platform checks.

Reference: Announcing the Windows Compatibility Pack for .NET Core

IsOSPlatform() takes an argument of types OSPlatform which has three values by default: Windows, Linux and OSX. It can be used as follow:

if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
{
  // Do something
}

The API is part of .NET Standard 2.0, and therefore available in .NET Core 2.0 and .NET Framework 4.7.1.