~# df -h
Filesystem Size Used Avail Use% Mounted on
udev 3.7G 0 3.7G 0% /dev
tmpfs 793M 3.1M 790M 1% /run
/dev/mmcblk1p4 2.0G 1.9G 88M 96% /
tmpfs 3.9G 0 3.9G 0% /dev/shm
tmpfs 5.0M 12K 5.0M 1% /run/lock
tmpfs 793M 32K 793M 1% /run/user/107
tmpfs 793M 24K 793M 1% /run/user/0
fdisk
root@starfive:~# fdisk /dev/mmcblk<X>
<X>0 11 0
root@starfive:~# fdisk /dev/mmcblk1
Welcome to fdisk (util-linux 2.38.1).
Changes will remain in memory only, until you decide to write them.
Be careful before using the write command.
GPT PMBR size mismatch (4505599 != 62929919) will be corrected by
write.
This disk is currently in use - repartitioning is probably a bad idea.
It's recommended to umount all file systems, and swapoff all swap
partitions on this disk.
Command (m for help): d
Partition number (1-4, default 4): 4