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shred

Overwrite files to securely delete data. More information: https://www.gnu.org/software/coreutils/shred.

  • Overwrite a file:

shred {{file}}

  • Overwrite a file, leaving zeroes instead of random data:

shred --zero {{file}}

  • Overwrite a file 25 times:

shred -n25 {{file}}

  • Overwrite a file and remove it:

shred --remove {{file}}