lsblk

Lists information about devices.

List all storage devices in a tree-like format:

lsblk

Also list empty devices:

lsblk −a

Print the SIZE column in bytes rather than in a human-readable format:

lsblk −b

Output info about filesystems:

lsblk −f

Use ASCII characters for tree formatting:

lsblk −i

Output info about block-device topology:

lsblk −t