Filesystem      Size  Used Avail Use% Mounted on
udev            7.8G   12K  7.8G   1% /dev
tmpfs           1.6G  1.9M  1.6G   1% /run
/dev/sda1       908G  860G  1.9G 100% /
none            5.0M     0  5.0M   0% /run/lock
none            7.8G  814M  7.0G  11% /run/shm
none            4.0K     0  4.0K   0% /sys/fs/cgroup
cgmfs           100K     0  100K   0% /run/cgmanager/fs