scnzzh@zubt4:~$ lsblk -f
NAME   FSTYPE  LABEL           UUID                                 FSAVAIL FSUSE% MOUNTPOINT
sda                                                                                
└─sda1 ext4                    d12a966b-5209-413c-8431-a8bc65425398   20.2G    26% /
sdb                                                                                
sr0    iso9660 VBox_GAs_6.1.16 2020-10-15-14-48-48-14                     0   100% /media/scnzzh/VBox_GAs_6.1.16