Filesystem     1K-blocks     Used Available Use% Mounted on
udev             1643888        0   1643888   0% /dev
tmpfs             332852     9684    323168   3% /run
/dev/sda1       49942268 10039272  37343108  22% /
tmpfs            1664256      372   1663884   1% /dev/shm
tmpfs               5120        4      5116   1% /run/lock
tmpfs            1664256        0   1664256   0% /sys/fs/cgroup
/dev/sda3      422827504 49142468 352183548  13% /home
cgmfs                100        0       100   0% /run/cgmanager/fs
tmpfs             332852       68    332784   1% /run/user/1000
/dev/sdb1      312568640 56621012 255947628  19% /media/john/SATA2