Overall, as an example, if you have a drive that is 40KB in usable size, and formatted into 4KB blocks, you can "fill" it by creating 10 separate files that are only 1 byte each, and, essentially, ...

Before discussing the difference between “Size” and “Size on disk” in detail, let’s see the basic differences between these terms. Here, I will also show you some calculations that will give the exact ...