File Shredder - User Guide
How to enable services?
Open Services Preferences from the application system menu.
Navigate through the list to find the exact service named "Shred" and "Secure Shredding" then enable them.
How to use services?
Select any files or folders in the Finder that you want to shred, right click on that, it will display a context menu. In the services system menu you can select the shredding option you want.
Select any files or folders in the Finder that you want to shred. Drag it onto the application dock icon and it will automatically shred by the default selected option.
How to STOP shredding?
Stop shredding using a keyboard shortcut (cmd + /) or select "Stop Shredding" from the Edit menu.