File location Directory or subdirectory to which the file is linked. Every file resides somewhere on a computer's hard disk. That somewhere will be in a directory or subdirectory. File type Refers to the format of a file. You may also save a file in a variety of other format to permit exchange of the file with others that might not have the same application as you.
Systems disk Formatted disk that contains the system files.
These are added by you when you format a disk. More on this later. Root directory The main directory of a disk to which everything else is added.