CIM Class Win32_OperatingSystem

Class hierarchy

win32_operatingSystem inherits from cim_cimOperatingSystem:

(get-cimClass -className win32_operatingSystem).cimSuperClass.cimClassName

The entire hierarchy can be shown with cim-classHierarchy:

PS C:\> cim-classHierarchy (get-cimclass win32_operatingSystem)

ROOT/Cimv2 CIM_ManagedSystemElement
ROOT/Cimv2 CIM_LogicalElement
ROOT/Cimv2 CIM_OperatingSystem
ROOT/Cimv2 Win32_OperatingSystem

Determine the last boot time

The last boot time can be determined with

(get-cimInstance -className win32_operatingSystem).lastBootUpTime