The new Versions feature in Lion creates hidden files that store old versions of the document you're working on in case you want to revert back to some older version of the document. If I drag a document to the Trash, then select Secure Empty Trash from the Finder menu, do the hidden version files get securely deleted along with the document?
My guess is no, but this is not a definitive answer.
I first created a very large (~160 MB) .txt file, and made changes to the file in TextEdit. As expected, that file and its versions showed up in
Every time I changed the file, the following happened in
The free space of the drive (
Next, I tried to shred the file with Secure Empty Trash. OS X seems to use a program called
Whatever is in
EDIT: I should add that whatever is in
I just tested this out, and it appears that the older files do indeed get deleted. It did not matter if I chose Secure Empty Trash or simply emptied the trash normally, they were also deleted.
A little more detail:
To test this, I enabled the root user to allow me to peer into
I created a couple files, then made some changes, saving new versions. The folder that contained the revisions populated with new files as I saved new versions. Within this top level folder, there's a folder called
I did not inspect the other folders within