And Atari DOS was written by the same people that wrote DOS for the Apple ][. Shepardson Microsystems. The book ‘The Atari BASIC Source Book, written by some ot

And Atari DOS was written by the same people that wrote DOS for the Apple ][. Shepardson Microsystems. The book ‘The Atari BASIC Source Book, written by some ot the same people is still an interesting read today.