mkfs.f2fs
Create an F2FS filesystem inside a partition.
TLDR
Create an F2FS filesystem inside partition 1 on device b (sdb1)
$ sudo mkfs.f2fs [/dev/sdb1]
Create an F2FS filesystem with a volume label
$ sudo mkfs.f2fs -l [volume_label] [/dev/sdb1]
Create an F2FS filesystem inside partition 1 on device b (sdb1)