Apple’s Leopard operating system isn’t even a year old, but its offspring, Snow Leopard, is already preparing to prowl. Earlier this month, Steve Jobs gave a hint — and only a hint — about Apple’s next-generation operating system. A “preview” that was shown to software writers attending Apple’s Worldwide Developers Conference in San Francisco indicated the new OS might run only on 2-year-old or newer Macintosh computers powered by Intel processors. That would leave behind millions of owners of Macs equipped with PowerPC chips.
