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You have got enough experience with the Mac to know that you can insert a writable CD or DVD in your Mac SuperDrive drag files to it and then record them or burn them as we save the computer disk into the disk. So why does this utility feature a Burn button? Well for a few reasons. The first is that you can burn disk images to disk that the CD or DVD has the same contents as the image. This is one way to create a duplicate master of a CD or DVD. To do this just select a disk image, right click on it and choose Burn.
If the image isn't on the desktop and therefore it doesn't appear in the list of images inside of Disk Utility you can choose Images, Burn and then locate that image wherever it maybe. At that point simply click Burn. Another reason is that unlike the Finder you can burn multisession disks with Disk Utility. This means you can have a CDR disk and burn to it more than ones. To perform this trick, do this. In the Finder put the stuff you want to burn into a folder and then in Disk Utility choose new image from folder.
Navigate to the folder that has the burnable items and save it as a disk image so we will do something like this. New image folder, documents we choose, music and then the image. Fortunately we have already done this so we have our music disk image here so right click on that, choose Burn then click the triangle that appears in the sheet. You now see that there is an option called Leave Disk Appendable. Select that and that leaves that disk open it's not finished.
At this point simply click Burn to burn the disk. And it has burned successfully. When you next want to burn to that disk follow the same procedure where you create a disk image of the folder and then choose to burn it. We insert the disk and you will notice that the Burn button has changed to append. When you do this and then later insert the disk 2 CD icons will appear on the desktop and each holds the contents of its own disk image.
And I will skip verification because I know this is going to work beautifully. I click OK. Now kick up the disk and insert it again and when I do you will see that we now have 2 disks on the desktop, a music and our other disk image that we burnt. Now let me kick that out in anticipation of one more tip. Finally the last reason for the Burn command is rewritable disks. If you have such a disk and would like to erase it just insert it with Disk Utility running.
Select the Disk in Disk Utility. Click the Erase Tab and choose one of the erase options. You can do it quickly or completely. And that concludes our look at the wonders of disk utility.
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