Whenever you delete a file by emptying the Trash, it hasn't actually left your hard drive until you write over the space. There are two ways to write over this 'free space'. The first is to select Secure Empty Trash instead of Empty Trash

Spring Cleaning is a chocolate box of different system administration tools for tidying up your Mac OS. Each year its panels get a new graphical interface and a few more tools are added

Smith Micro's collection of archive creation and management tools, including DropStuff and StuffIt Expander, has had another update. There are some great new features, but some great old ones are missing.