Filesystem             1K-blocks     Used Available Use% Mounted on
udev                     3984952        0   3984952   0% /dev
tmpfs                     807632     9964    797668   2% /run
/dev/sda1              240232960 51019156 176987552  23% /
/dev/sdb1              230621332  7468800 211414576   4% /usr
tmpfs                    4038140     4868   4033272   1% /dev/shm
tmpfs                       5120        4      5116   1% /run/lock
tmpfs                    4038140        0   4038140   0% /sys/fs/cgroup
tmpfs                     807632       72    807560   1% /run/user/1000
/home/richard/.Private 240232960 51019156 176987552  23% /home/richard
/dev/sdc5              312566780  2973136 309593644   1% /media/richard/OLD-USB