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IBM 5100
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apple II os wos interger basic rom
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IBM 5210 os
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apple III os apple sos
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commander 64 os rom
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apple lisa apple GUI
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atari amigo 1000
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IBM PC XT
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apple macintosh portable
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macintosh powerbook os mac
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apple realese system 7
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microsoft realse 3.1
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amigo 4000 os dos 3.1
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mac realse os 8
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microsoft release windows NT
