$ sudo lsblk <enter>
The lsblk command displays the devices in use on your computer as follows:
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 531.5G 0 disk ├─sda1 8:1 0 500M 0 part ├─sda2 8:2 0 260M 0 part /boot/efi ├─sda3 8:3 0 128M 0 part ├─sda4 8:4 0 54.5G 0 part /home ├─sda5 8:5 0 25G 0 part / ├─sda6 8:6 0 98G 0 part ├─sda7 8:7 0 56.6G 0 part ├─sda8 8:8 0 3.7G 0 part └─cryptswap1 (dm-0) 252:0 0 3.7G 0 crypt