Filesystem      Size  Used Avail Use% Mounted on
udev            5.9G  4.0K  5.9G   1% /dev
tmpfs           1.2G  1.5M  1.2G   1% /run
/dev/sda3       184G  155G   20G  89% /
none            4.0K     0  4.0K   0% /sys/fs/cgroup
none            5.0M     0  5.0M   0% /run/lock
none            5.9G  152K  5.9G   1% /run/shm
none            100M   16K  100M   1% /run/user
/dev/sda1       511M   33M  479M   7% /boot/efi