Filesystem                   1K-blocks    Used Available Use% Mounted on
/dev/mapper/lubuntu--vg-root   7331536 6311328    624740  91% /
none                                 4       0         4   0% /sys/fs/cgroup
udev                           1023208       4   1023204   1% /dev
tmpfs                           206460     888    205572   1% /run
none                              5120       0      5120   0% /run/lock
none                           1032296     220   1032076   1% /run/shm
none                            102400      20    102380   1% /run/user
/dev/sda1                       233191   58619    162131  27% /boot
/dev/sr0                         62666   62666         0 100% /media/ic/VBOXADDITIONS_4.3.4_91027