I-Red Hat ishicilele ukukhishwa okuzinzile kwephakheji ye-Cygwin 3.3.0, ehlanganisa umtapo wezincwadi we-DLL wokulingisa i-Linux API eyisisekelo ku-Windows, okukuvumela ukuthi uhlanganise izinhlelo ezidalelwe i-Linux ezinoshintsho oluncane. Iphakheji ihlanganisa izinsiza ezijwayelekile ze-Unix, izinhlelo zokusebenza zeseva, abahlanganisi, imitapo yolwazi namafayela enhlokweni aqoqwe ngokuqondile ukuze asetshenziswe ku-Windows.