NAME   MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
sda      8:0    0 465,8G  0 disk 
├─sda1   8:1    0   512M  0 part /boot/efi
├─sda2   8:2    0 234,4G  0 part /media/a
├─sda3   8:3    0   3,5G  0 part [SWAP]
└─sda4   8:4    0 227,4G  0 part /
sr0     11:0    1  1024M  0 rom