There are three main types of operating systems: Microsoft windows, Apple Mac OS, UNIX/Linux.
The operating system is the interface between the user and the computer.
It is possible to have 24 hard drives on a computer
Ide can have 4 connecters on the mother board
Make C: the windows OS and D: stores the data when partitioning
Primary partitions – Four per drive, can’t subdivide, usually first
Active partitions – Used to boot the computer
Extended partitions – One per drive, subdivided into logical drives