There are a few things you need to be aware of using this or any file destruction utility.
Burn does its best to destroy filenames along with files, however the Macintosh Operating System, probably for performance reasons, makes it difficult to destroy filenames with 100% certainty. This version of Burn seems to destroy the filename ninety percent of the time but it is not perfect. Do not assume Burn can reliably erase the name of a burned file. Other disk erase applications, including Norton Wipe Info and FlameFile have the same problem.
You should be concerned if you have a file that significantly grows or shrinks in size (maybe a database file for instance.) There is no way for an application like Burn to know that some disk blocks used to be allocated to the file if it shrinks. Use the Erase Disk Free Space to minimize this problem.
Recently deleted files are not always immediatly marked as free by the Macintosh Operating System, probably for performance reasons. This means that the Erase Free Space command may not destroy data from recently deleted files. Of course files erased with Burn are destroyed 100% of the time. Use a utility such as Norton Unerase to verify the files are truely destroyed or use Burn to erase free space a couple of times over a few days.
If you are an Engineer with intimate knowledge of the Mac File Manager please contact me if you can be of assistance in the above problems. I'm looking for someone who has written File Manager code or equivalent (such as Norton Utilities).
I have no disk space free after using Burn's Erase Free Disk Space option, what happened?
Something caused Burn to prematurely terminate. You will find one or more files in the root directory of the disk being cleaned equal in size to the missing disk space. These files should be deleted using the normal trash can and then repeat the Erase Free Space operation. The file name(s) start with the characters "MwBu" and after that is a long series of numbers.
I pushed Burn into the background while erasing free space and I don't have any disk space available, what happened?
Burn temporarily grabs all available free space on a volume while its erasing it. With Burn in the background during such an operation you can't do things that require additional disk space to be allocated. As soon as Burn completes its operation you will be able to create new files.
I can't drag files or folders to the application for deletion, what happened?
You need to rebuild your desktop (this is a good idea to
do regularly anyway). Reboot your computer and hold down the command and
option keys until you get a message asking if you want to rebuild the desktop.
Click OK.
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