Ralf Mardorf silver.bullet at
Sat Dec 2 08:31:32 UTC 2017

On Fri, 01 Dec 2017 12:39:59 +0100, Xen wrote:
>Oh I can shred the history too!

[rocketmouse at archlinux ~]$ man shred | grep -i caution -A4
       CAUTION:  Note  that  shred  relies on a very important
assumption: that the file system overwrites data in place.  This is the
traditional way to do things, but many modern file system designs do
not satisfy this assumption.  The following are examples of file
systems on which shred is not effective, or is not guaranteed to be
effective in all file  sys‐ tem modes:

       * log-structured or journaled file systems, such as those
         supplied with AIX and Solaris (and JFS, ReiserFS, XFS, Ext3,

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