Filesystem               1K-blocks      Used Available Use% Mounted on
/dev/mapper/cormail-root 990533100 460021760 480188500  49% /
none                             4         0         4   0% /sys/fs/cgroup
udev                      16349344        12  16349332   1% /dev
tmpfs                      3272216      1060   3271156   1% /run
none                          5120         0      5120   0% /run/lock
none                      16361076       284  16360792   1% /run/shm
none                        102400        48    102352   1% /run/user
/dev/sda1                   233191    172831     47919  79% /boot