1: by using a program like Partition Magic. You can change/make partitions on your harddisc even when there are still files on it.
2: using Windows... (see link below)
system partition
System partition
Boot partition = Boot filesSystem partition =System files
Depends, you can make as many partitions as you want.
In a Windws PC, a sysem partition contains hardware level details of the hard disk and other partitions. It contains files that tell the Bios where to look for the boot loader, hence all disks must...