Physical Details

Type	Disk type, as provided by the manufacturer.
Size	Capacity, as provided by the manufacturer.
Cylinders	The number of cylinders. This is the same as the number of tracks on each surface.
Heads	The number of heads.
Sectors	The number of sectors within each cylinder.

Disk Usage

Total Space	The total amount of Disk Space available for users.
Used	The amount of disk space taken up by user data.
Free	The amount of disk space still available to users.