Filesystem      Size  Used Avail Use% Mounted on
udev            3.9G     0  3.9G   0% /dev
tmpfs           799M  9.1M  790M   2% /run
/dev/sda1        12G  9.0G  2.2G  81% /
tmpfs           3.9G  212K  3.9G   1% /dev/shm
tmpfs           5.0M  4.0K  5.0M   1% /run/lock
tmpfs           3.9G     0  3.9G   0% /sys/fs/cgroup
tmpfs           799M   48K  799M   1% /run/user/1000