lsblk

lsblk is a tool that provides information about all the block devices on your computer. Block devices are the I/O devices on the computer that are addressed using blocks, typically disks and non-tape storage.

• To list all real and virtual block devices:

$ lsblk

This output shows the name, size, read-only or not, type and the mount point.

• To see the filesystems:

$ lsblk -f