Linux Disk Management Cheat Sheet

Disk Space Usage

Show disk space.

df -h
df -h /home
df -i

Directory Size

Calculate directory size.

du -sh directory/
du -h --max-depth=1
du -sh * | sort -h

Mount Filesystem

Mount partitions.

mount /dev/sdb1 /mnt
mount -o ro /dev/sdb1 /mnt
mount | column -t

Unmount

Unmount filesystems.

umount /mnt
umount -f /mnt
umount -l /mnt

Disk Partitions

Partition management.

fdisk -l
sudo fdisk /dev/sdb
parted /dev/sdb

Create Filesystem

Format partitions.

mkfs.ext4 /dev/sdb1
mkfs.xfs /dev/sdb1
mkfs.vfat /dev/sdb1

Check Filesystem

Verify and repair.

fsck /dev/sdb1
e2fsck /dev/sdb1

List Block Devices

Show all block devices.

lsblk
lsblk -f