Scalpel
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scalpel can be used for recovering deleted files. First edit /etc/scalpel/scalpel.conf and uncomment most desired extensions to be recovered. Then create an image for partition where files to be recovered using testdisk. Finally use:
scalpel image.dd -o <output-directory>
Some steps learned from http://opensourceforu.efytimes.com/2011/09/recover-deleted-files-in-linux/
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