Structure of windows 2000 POSIX progra Win 32 program OS/2 program Service process POSIX subsystem Win 32 subsystem OS/2 subsystem 0oE布 System interface(NT DLL. DLL) System services /O mgr Object Process/Memory/ Security Cache PnP Power Config LPC Win32 File sys mgr mgr mgr mgrmgr mgr I mgr mgrmgr GDI Video Kernel driver Hardware Abstraction layer(HAL) Hardware Shaded area is executed Boxes. D. are device drivers Service processes are system daemonsStructure of Windows 2000 • Shaded area is executed • Boxes, D, are device drivers • Service processes are system daemons