# mke2fs > Create a Linux filesystem inside a partition. > More information: . - Create an ext2 filesystem on a partition: `sudo mke2fs -t ext2 {{/dev/sdXY}}` - Create an ext3 filesystem on a partition: `sudo mke2fs -t ext3 {{/dev/sdXY}}` - Create an ext4 filesystem on a partition: `sudo mke2fs -t ext4 {{/dev/sdXY}}`