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5.4.2   Always run with root access

If you downloaded DropDMG direct from C-Command

Normally, if DropDMG does not have the privileges that it needs in order to create a disk image or archive, it will prompt you to authenticate by entering an administrator password. This authentication lasts for a few minutes, or until you quit DropDMG (whichever happens first).

If Always run with root access is checked, DropDMG will retain administrator access—even between launches. This saves you from the trouble of having to keep entering your password, and it makes it easier to run DropDMG unattended (for example, as part of an automated, scheduled backup). However, this is a potential security risk. Anyone with access to your copy of DropDMG will be able to access and modify any file on your Mac.

Note: In order to use Always run with root access, the DropDMG application must be installed on your Mac’s startup volume.

If you purchased DropDMG from Apple’s Mac App Store

In order to create a disk image or archive from certain files, DropDMG will need root access. You can give DropDMG this access by opening the Terminal application and entering these commands:

F=/Applications/DropDMG.app/Contents/Frameworks/MJTFoundation.framework
sudo chmod u+s "$F/Versions/A/auth-tool"
sudo chown root "$F/Versions/A/auth-tool"

It will ask for your administrator password. This is a potential security risk. Anyone with access to your copy of DropDMG will be able to access and modify any file on your Mac. You can remove the root access by entering these commands in Terminal:

F=/Applications/DropDMG.app/Contents/Frameworks/MJTFoundation.framework    
sudo chmod u-s "$F/Versions/A/auth-tool"
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