Win32_SystemOperatingSystem - The Win32_SystemOperatingSystem class represents an association between a computer system and its operating system.

Win32_SystemOperatingSystem
The Win32_SystemOperatingSystem class represents an association between a computer system and its operating system.
NameSpace Path
\ROOT\CIMV2
PROPERTY	SMS_REPORT	CIMTYPE	DESCRIPTION
GroupComponent		Reference	The GroupComponent reference represents the properties of the computer system upon which the operating system is installed.
PartComponent		Reference	The PartComponent reference represents the properties of the operating system running on this computer system.
PrimaryOS		Boolean	Boolean indicating that the operating system is the default OS for the computer system.
SAMPLE DATA INSTANCE
[LOCALE(1033): ToInstance Amended] instance of Win32_SystemOperatingSystem { GroupComponent = "\\\\SCCM01\\root\\cimv2:Win32_ComputerSystem.Name=\"SCCM01\""; PartComponent = "\\\\SCCM01\\root\\cimv2:Win32_OperatingSystem.Name=\"Microsoft Windows Server 2003 R2 Standard Edition\|C:\\\\WINDOWS\|\\\\Device\\\\Harddisk0\\\\Partition1\""; PrimaryOS = TRUE; };