Fastboot

Fastboot is one of the underlying tools that are located in android, it is the most basic level of communicating with the base android system. Can be used to boot or flash a device.

Getting into fastboot

adb reboot bootloader   # starts the bootloader
fastboot devices        # lists devices

Getting a list of all of the mapped partitions

ls -l /dev/block/platform/soc/xxx/by-name/ 

Getting all of the Set Environment Variables in fastboot

fastboot getvar all