ioRegistryExplorer and ioreg

ioRegistryExplorer
show key/value of devices in I/O Registry in GUI mode

ioreg:
show key/value of devices in I/O Registry in command mode

ex:
hard disk in ioRegistryExplorer
IOService : Root:Macmini1,1:Macmini1,1:AppleACPIPlatformExpert:PCI0@0:AppleACPIPCI:SATA@1F,2: AppleAHCI:PRT2@2:IOAHCIDevice@0:AppleAHCIDiskDriver:IOAHCIBlockStorageDevice:
IOBlockStorageDriver:FUJITSU MHV2080BHPL Media



FUJITSU MHV2080BHPL Media


IOAHCIBlockStorageDevice