Why does deleted data stay on a HDD once written, waiting to be overwritten, as opposed to being removed when requesting deletion?

Question

Why does deleted data stay on a HDD once written, waiting to be overwritten, as opposed to being removed when requesting deletion?

In: 22

Answer 1

Thanks all. I now have more of an understanding of how relevant the file allocation table is to a hard drive and the calculation of available size etc. I’m learnding!