Filesystem     1K-blocks    Used Available Use% Mounted on
/dev/sda5       20442200 4547332  14869540  24% /
udev             1274408       4   1274404   1% /dev
tmpfs             513280     812    512468   1% /run
none                5120       0      5120   0% /run/lock
none             1283192     880   1282312   1% /run/shm
/dev/sda6       38973500 6046728  30973700  17% /Backup
/dev/sda3      180006308 7717096 163277544   5% /home
/dev/sdb1       15380864 7875852   6723704  54% /media/USB-Backup