Filesystem                   1K-blocks      Used Available Use% Mounted on
udev                           1967520         0   1967520   0% /dev
tmpfs                           398212      6440    391772   2% /run
/dev/mapper/ubuntu--vg-root  956739252   5744352 902372308   1% /
tmpfs                          1991048       228   1990820   1% /dev/shm
tmpfs                             5120         4      5116   1% /run/lock
tmpfs                          1991048         0   1991048   0% /sys/fs/cgroup
/dev/sda1                       482922    205276    252712  45% /boot
tmpfs                           398212        40    398172   1% /run/user/1000
/dev/sdb1                   1465136532 768049200 697087332  53% /media/rsnaleksiev/TOSHIBA EXT