Preferences of Shredder

There are two ways to open the Preferences window for Shredder:

  • On the navigation pane, click Shredder, and then click MacKeeper, Preferences.
  • Click MacKeeper, Preferences, and then click the Shredder tab.
Shredder. Preferences Window Shredder. Preferences Window

Select the preferable shredding algorithm:

  • 35-pass Gutmann
  • 7 US DoD compliant passes
  • Single pass of random data

If you select the Zero shredded data checkbox, the space that was occupied by the shredded file will be replaced with binary zeroes.