Step 1: Select an item to delete
To delete a file/folder, click on it and, without releasing your click, move it on top of the Trash icon in your dock. Release the click to put it in the Trash.
Step 2: Check what you delete
Check that the intended item is in the Trash. Click on the dock’s Trash icon and, in the window, your file/folder should be in the contents of your Trash.
Step 3: Do your chores – empty the trash
At the top-right of the Trash banner in the Finder window, click on the Empty button to empty the Trash and effectively delete the trashed items.
Step 4: Are you sure?
Upon clicking on the Empty button, a dialog box will ask you to confirm the operation. Click Empty Trash to delete, or Cancel to abort the operation.
Step 5: Empty the Trash securely
To make a trashed item irretrievable, select the Secure Empty Trash menu item in the Finder menu. Click Empty Trash to delete the file, Cancel to abort.
Step 6: Bypass the warning message
To erase without verification, press the Option key when using the Empty button or the Empty Trash/ Secure Empty Trash Finder’s menu items.
Step 7: Free yourself of warning messages
From the Finder menu, select Preferences and Advanced. To disable the confirmation dialog, un-tick Show warning before emptying the Trash.
Step 8: Security as standard
From the Finder menu, select Preferences and click the Advanced tab. Tick the Empty Trash Securely option to enable this method of erasing items.
Step 9: Know your shortcuts
Use Cmd+Delete to move an item to the Trash. Add Shift to empty the Trash, or Shift+Option to empty without a confirmation dialog box.
Click on the image to zoom in and view the annotations.