On May 27, 2009, at 10:56 AM, MacGuy wrote:

> Ok, time to start over....
>
> I went to walmart and they made a DVD of some great old camping
> video's the folks had taken years ago. (obviously not protected in any
> way) now, I need to make .dmg files that I can simply burn to a blank
> DVD when I want to, to give to family and friends to watch on a
> standard DVD player (because they don't all have computers)

Does this disk auto-start DVD player when it's inserted?

The .cdr file is because it's a CD/DVD master, a file you would send  
to someplace that makes CD's or DVD's commercially. For your purposes  
all you need is an ordinary disk image.

Here's my procedure to make a copy of a DVD:

mount the original.

Start Disk utility.

Select the Volume on the disk (the indented icon with the name under  
the icon of the drive.)

Select File > New > disk image from diskNsN (the N's will be numbers,  
usually it says disk3s0) and proceed from there. A CD/DVD Master is a  
master file for making copies, a Read-only disk image will make a .dmg  
file, and if the original disk starts DVD player when double clicked,  
the mounted image form the .dmg file should as well.

Double-clicking on the DMG will only ever mount the disk image as a  
disk.

-- 
Bruce Johnson
University of Arizona
College of Pharmacy
Information Technology Group

Institutions do not have opinions, merely customs



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