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Getting Started with PowerShell by Michael Shepard

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Retrieving objects with Get-WMIObject

If you know the name of a class and what namespace that class belongs to, it is simple to retrieve the class using the Get-WMIObject cmdlet. For instance, there is a class that describes the installed operating system called Win32_OperatingSystem contained in the default (root\CIMV2) namespace. To retrieve this class, either of these command-lines will work:

Get-WMIObject –class Win32_OperatingSystem
Get-WMIObject –class Win32_OperatingSystem –namespace root\CIMV2
Retrieving objects with Get-WMIObject

The output here is formatted, so you will probably want to use Select-Object –property * to see all the properties. In this case, there are 73 properties, ...

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