Comment # 3 on bug 987451 from Stanislav Brabec

fdisk command v shows:

~ # fdisk sda

Welcome to fdisk (util-linux 2.28).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.


Command (m for help): v
Remaining 2049 unallocated 512-byte sectors.

Command (m for help): F

Unpartitioned space sda: 24 KiB, 24576 bytes, 48 sectors
Units: cylinders of 1470 * 512 = 752640 bytes
Sector size (logical/physical): 512 bytes / 512 bytes

 Start    End Sectors Size
664472 664472      48  24K

Command (m for help):