App “OnyX” - Securely delete files and folders
IMPORTANA: During the verification, the colored pinwheel will appear, and your computer will seem to be unresponsive.This is completely normal.This operation can take a very long time to complete.Wait for the verification to finish.You can speed up the verification IMPORTANT: It is normal to see colored pinwheels during verification and your computer to appear unresponsive. Also, it may take a very long time for verification to complete, so be patient. You can speed up verification by pre-deleting local Time Machine snapshots.