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$OperatingSystem

$OperatingSystem
is a string giving the type of operating system under which Mathematica is being run.

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Typical values for $OperatingSystem are "Windows", "MacOSX" and "Unix".

You can use $OperatingSystem to get an idea of what external commands will be available from within Mathematica.

$OperatingSystem typically has the same value for different versions or variants of a particular operating system.

Basic Examples (1)

$MachineType $System $SystemID $ProcessorType SystemInformation

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