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Questions about creating Disk Image

Hello! I read the Apple Support instructions here (http://support.apple.com/kb/HT1578) on how to create password protected disk image. I'm not too familiar with the term "disk image", so I am wondering if anyone can help me understand. A couple of things I couldn't could find a clear answer to:


1.) If I create a disk image (I'm thinking of choosing the "read/write disk image") will I be able to delete files from it if I don't want them anymore? Can I edit the files directly on that disk image?


2.) If I am able to delete them, do I need to defragmet that disk image at some time? (But I read Mac's don't need to be manually defragmented. I've had mine for 2 years and it's been ok)


I have a Macbook Pro (Snow Leopard) 10.6.8.


Thanks so much!

Posted on Aug 10, 2013 3:54 PM

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Question marked as Best reply

Posted on Aug 10, 2013 8:27 PM

mo9 wrote:

Hello! I read the Apple Support instructions here (http://support.apple.com/kb/HT1578) on how to create password protected disk image. I'm not too familiar with the term "disk image", so I am wondering if anyone can help me understand. A couple of things I couldn't could find a clear answer to:


1.) If I create a disk image (I'm thinking of choosing the "read/write disk image") will I be able to delete files from it if I don't want them anymore? Can I edit the files directly on that disk image?

Yes. Acts just like any mounted voluime.

2.) If I am able to delete them, do I need to defragmet that disk image at some time? (But I read Mac's don't need to be manually defragmented. I've had mine for 2 years and it's been ok)

No.


Finally, when you're finished with it, just delete the dmg file just like any other.

1 reply
Question marked as Best reply

Aug 10, 2013 8:27 PM in response to mo9

mo9 wrote:

Hello! I read the Apple Support instructions here (http://support.apple.com/kb/HT1578) on how to create password protected disk image. I'm not too familiar with the term "disk image", so I am wondering if anyone can help me understand. A couple of things I couldn't could find a clear answer to:


1.) If I create a disk image (I'm thinking of choosing the "read/write disk image") will I be able to delete files from it if I don't want them anymore? Can I edit the files directly on that disk image?

Yes. Acts just like any mounted voluime.

2.) If I am able to delete them, do I need to defragmet that disk image at some time? (But I read Mac's don't need to be manually defragmented. I've had mine for 2 years and it's been ok)

No.


Finally, when you're finished with it, just delete the dmg file just like any other.

Questions about creating Disk Image

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