↩ 🔵 🔵 🔵 ❪✺❫ Windows Concepts ○ ❪✺₁₀❫ Operating System Classes ○ ❪✺₁;❫ Classes of Windows Files ○ I∕O Completion Port ○꠹ I∕O Request Packet (IRP) ○꠹ Security Descriptor ○꠹ Security Identifier (SID) ○꠹ Windows Shared Library ○꠹