mkfs

Build a filesystem.

$ mkfs -t ext4

DeviceFilesystem type (-t)

ext4

ext3

ext2

xfs

btrfs

fat

ntfs

Label (-L)

Check for bad blocks (-c)

Examples

# Create ext4 filesystem
mkfs -t ext4 /dev/sda1

# Create with label
mkfs -t ext4 -L MY_DATA /dev/sdb1

# Quick format
mkfs -t ext4 -q /dev/sdc1