Filesystem     1K-blocks      Used Available Use% Mounted on
udev            16395524         0  16395524   0% /dev
tmpfs            3283492      9596   3273896   1% /run
/dev/sda2      427928760 345171272  60996928  85% /
tmpfs           16417452    226320  16191132   2% /dev/shm
tmpfs               5120         4      5116   1% /run/lock
tmpfs           16417452         0  16417452   0% /sys/fs/cgroup
/dev/sda1         523248      3744    519504   1% /boot/efi
cgmfs                100         0       100   0% /run/cgmanager/fs
tmpfs            3283492        68   3283424   1% /run/user/1000
/dev/sdb1      976728044 788610900 188117144  81% /media/rabin/back_up_passport