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.dmg vs .cdr

ok here is the problem, people are saying when copying a DVD you should select DVD/CD format from disk uility, but when i do that the copies do NOT work on anything. But when i choose .dmg format (compressed) it works, but why are people telling me if you choose .dmg its not going to work on standard players? because it does? And another thing, when i choose .cdr(dvd/cd master) it ask me for a password? why? and what does this password do? does it make it protected? Please help?

Sincerely,

John Cook

Posted on Aug 14, 2005 3:43 PM

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.dmg vs .cdr

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