Use the strings command again, but specify the encoding option strings data01 -e {b,l}. Remember when the "test" file was deleted? The rm command was used, not shred. The file name data still resides in the file table and is recoverable because of this.
It's a powerful tool designed to mutilate file wiper obliterate files thoroughly, leaving no chance for recovery – a digital incinerator for your data. Unlike simple deletion, shred overwrites a file's contents multiple times with random patterns of data, effectively scrambling any trace of the original file.
