3.9.9. erase - erase flash memory

3.9.9.1. Usage

erase DEVICE [AREA]

3.9.9.2. Synopsis

Erase the flash memory handled by DEVICE. Which AREA will be erased
depends on the device: If the device represents the whole flash
memory, the whole memory will be erased. If the device represents a
partition on a main flash memory, only this partition part will be
erased.

Use 'addpart' and 'delpart' to manage partitions.