The question is: Linux ext4 or btrfs file systems use journaling, if a program erases data from a disk (eg shred), then what happens to the journal - does the data remain there or does it need to be deleted somehow?
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The question is: Linux ext4 or btrfs file systems use journaling, if a program erases data from a disk (eg shred), then what happens to the journal - does the data remain there or does it need to be deleted somehow?