# 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`