lsblk
NAME   MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
sda      8:0    0 298.1G  0 disk
├─sda1   8:1    0  71.3G  0 part /
├─sda2   8:2    0  73.2G  0 part
├─sda3   8:3    0  71.3G  0 part
└─sda4   8:4    0  82.3G  0 part
sr0     11:0    1  1024M  0 rom
sr1     11:1    1   5.7M  0 rom  /media/mohammad/Mobile Partner