File size
The measure of space a file takes on a storage medium such as a computer hard disk drive. File sizes can be measured in bytes (B), kilobytes (KB), megabytes (MB), gigabytes (GB), terabytes (TB), and beyond.
Also see: BIT, Byte, Exabyte, Kilobit, Kilobyte, MB, Megabit, Megabyte, GB, Gigabyte, Hard disk drive definitions, TB, Terabyte
