Clear cache, erase history permanently with NetShred, the easy-to-use internet track eraser for Mac OS 8 / OS 9 that erases files your browser and email programs leave behind. NetShred is the internet privacy software that is easy, fast and cleaner. Easy because it runs automatically - you don't have to remember to use it. Fast because you don't have to wait for it. Cleaner because it will erase, not just delete cache, history and trash.