I-Red Hat ipapashe ukukhululwa okuzinzile kwephakheji ye-Cygwin 3.3.0, equka ilayibrari ye-DLL yokulinganisa i-Linux API esisiseko kwi-Windows, ekuvumela ukuba wakhe iinkqubo ezenzelwe i-Linux kunye neenguqu ezincinci. Iphakheji ikwabandakanya izixhobo ezisemgangathweni ze-Unix, izicelo zeseva, abaqulunqi, iilayibrari, kunye neefayile zentloko ezakhelwe ngokuthe ngqo ukusebenza kwiWindows.