xubuntu@xubuntu:~$ lsblk
NAME   MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
sda      8:0    0 149.1G  0 disk
|-sda1   8:1    0   500M  0 part
|-sda2   8:2    0     1K  0 part
|-sda5   8:5    0  45.1G  0 part
|-sda6   8:6    0    49G  0 part
`-sda7   8:7    0  54.5G  0 part
sdb      8:16   1   1.9G  0 disk
`-sdb1   8:17   1   1.9G  0 part /cdrom
sr0     11:0    1  1024M  0 rom
loop0    7:0    0   510M  0 loop
loop1    7:1    0   908M  0 loop /rofs