mint mint # lsblk
NAME   MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
sda      8:0    0 111.8G  0 disk 
├─sda1   8:1    0   512M  0 part 
├─sda2   8:2    0   244M  0 part 
└─sda3   8:3    0 111.1G  0 part 
sdb      8:16   1   7.2G  0 disk 
├─sdb1   8:17   1   1.5G  0 part 
└─sdb2   8:18   1   2.2M  0 part 
loop0    7:0    0   1.4G  1 loop /rofs