Even if you are heated and install the system on the same section, then you simply create a problem for the future. Another example is the need for several operating systems on your computer.

All this leads to a heap of extra actions and spending time. After you installed new systemYou will need to make the sorting of all data on the copies made. Often this leads to a simple way out - copying the entire disk, essentially some kind of backup, but the entire section. There are problems with saving your data. Usually, before proceeding with the installation, the section is formatted (i.e., all previous data is erased). The easiest example is reinstalling the system. This, by the way, is one of the basic rules that will help you avoid multiple problems in the future. For example, if you want to separate the operating system from your data, you should split the disk (just do not imagine a hammer) to sections. If there is an unoccupied space on your computer's hard disk, it can be used to create an additional partition.

Never confuse these concepts, otherwise you may not be correctly understood. Although, it should always be remembered that sections and hard drives - This is still different concepts. If you look through the eyes of a regular user, then instead of one disk you have several. The best programs for separating (breakdown) hard disk. The program to change the volume of HDD sections.