Filesystem     1K-blocks      Used Available Use% Mounted on
udev             1917584         0   1917584   0% /dev
tmpfs             385744      6092    379652   2% /run
/dev/sda6      300326292   3887744 281159812   2% /
tmpfs            1928708        92   1928616   1% /dev/shm
tmpfs               5120         4      5116   1% /run/lock
tmpfs            1928708         0   1928708   0% /sys/fs/cgroup
/dev/sda2         303104     54568    248536  19% /boot/efi
tmpfs             385744         4    385740   1% /run/user/121
tmpfs             385744         8    385736   1% /run/user/1000
/dev/sdb1      488350716 447279388  41071328  92% /media/dominik/Backup