Thanks for the clarification!
I'm not an expert and, although I mentioned Xerox in my post, I have never seen an Alto switched on. From the little knowledge I have, though, its GUI was only partially graphic. Copying a file still required a text command and the mouse was only used for text and graphics editing. Prototypes of mouses were in use since the 1960s, but were not used the way we use them today.
Again, I might be wrong and I would appreciate further corrections.
In general my point was: Steve Jobs is not just iPhone and iPad. He played a key role in the history of operating systems and movie graphics.
Ciao!
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