LXer: Secure Deletion tools and Journaled Filesystems: Do they work?
Published at LXer:
By now, everyone knows that if you want to make a file unrecoverable, you can't simply delete it - you have to use a tool like 'shred' or 'srm' to overwrite its contents. But a common question is whether this is effective on an ext3, ext4, or other journaled filesystems. This article discusses these filesystems, and whether secure deletion tools work on them.
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