Filesystem     1K-blocks    Used Available Use% Mounted on
/dev/sda4       19091584 4231608  13867108  24% /
none                   4       0         4   0% /sys/fs/cgroup
udev             4014672      12   4014660   1% /dev
tmpfs            4024620    1240   4023380   1% /tmp
tmpfs             804924    1192    803732   1% /run
none                5120       0      5120   0% /run/lock
none             4024620     224   4024396   1% /run/shm
none              102400      24    102376   1% /run/user
/dev/sda5       19091584  956224  17142492   6% /home
/dev/loop2        859136  859136         0 100% /home/zhoupeng/saucy
/dev/sda1         201633   15665    185969   8% /boot/efi