So I've read that formatting a harddrive doesn't "delete" the files but it kinda hides them away. So for example:
Let's say I download a few programs (MSN, VLC, SKYPE, WINRAR) etc etc, I install those programs, I then choose to format my HDD which doesn't "delete" them but hides them untill they're overwritten the next time. So if I were to download and install the exact same programs as mentioned above, those would simply overwrite the same previous programs I had downloaded and installed previously correct? (this is just my theory, I'm still new to it)
So if I wanted a "fresh" start on my HDD, would a 5-6 hours format simply do it, or would the utility Eraser be a better choice?
Let's say I download a few programs (MSN, VLC, SKYPE, WINRAR) etc etc, I install those programs, I then choose to format my HDD which doesn't "delete" them but hides them untill they're overwritten the next time. So if I were to download and install the exact same programs as mentioned above, those would simply overwrite the same previous programs I had downloaded and installed previously correct? (this is just my theory, I'm still new to it)
So if I wanted a "fresh" start on my HDD, would a 5-6 hours format simply do it, or would the utility Eraser be a better choice?