$ curl cheat.sh/

# e2fsck
# Check a Linux ext2/ext3/ext4 filesystem. The partition should be unmounted.
# More information: <https://manned.org/e2fsck>.

# Check filesystem, reporting any damaged blocks:
sudo e2fsck /dev/sdXN

# Check filesystem and automatically repair any damaged blocks:
sudo e2fsck -p /dev/sdXN

# Check filesystem in read only mode:
sudo e2fsck -c /dev/sdXN

# Perform an exhaustive, non-destructive read-write test for bad blocks and blacklist them:
sudo e2fsck -fccky /dev/sdXN

$

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