Classic MacOS X stored the type and creator codes in the resource fork. Early versions of MacOS X discouraged this, but preserved and respected the codes if they were present. 10.6 Snow Leopard killed them off with the UTI (an unfortunate acronym) framework.
Classic MacOS X stored the type and creator codes in the resource fork. Early versions of MacOS X discouraged this, but preserved and respected the codes if they were present. 10.6 Snow Leopard killed them off with the UTI (an unfortunate acronym) framework.
http://www.roughlydrafted.com/2009/09/22/inside-snow-leopard...