Ua hoʻopuka ʻo Red Hat i kahi hoʻokuʻu paʻa o ka pūʻulu Cygwin 3.3.0, kahi waihona DLL no ka hoʻohālikelike ʻana i ka API Linux maʻamau ma Windows, kahi e hiki ai iā ʻoe ke kūkulu i nā papahana i hana ʻia no Linux me nā loli liʻiliʻi. Aia pū ka pūʻolo i nā pono Unix maʻamau, nā noi kikowaena, nā mea hōʻuluʻulu, nā hale waihona puke, a me nā faila poʻomanaʻo i kūkulu pololei ʻia e holo ma Windows.