df -h
Filesystem                    Size  Used Avail Use% Mounted on
/dev/mapper/xubuntu--vg-root  455G   29G  403G   7% /
none                          4.0K     0  4.0K   0% /sys/fs/cgroup
udev                          1.9G  8.0K  1.9G   1% /dev
tmpfs                         390M  1.1M  389M   1% /run
none                          5.0M     0  5.0M   0% /run/lock
none                          2.0G  3.2M  1.9G   1% /run/shm
none                          100M   52K  100M   1% /run/user
/dev/sda1                     236M  232M     0 100% /boot