Filesystem     1K-blocks      Used Available Use% Mounted on
udev             3911356         0   3911356   0% /dev
tmpfs             791316      9764    781552   2% /run
/dev/sdb1       15619268   2479664  13139604  16% /cdrom
/dev/loop0       1199488   1199488         0 100% /rofs
/cow             3956564   1712016   2244548  44% /
tmpfs            3956564     56820   3899744   2% /dev/shm
tmpfs               5120         8      5112   1% /run/lock
tmpfs            3956564         0   3956564   0% /sys/fs/cgroup
tmpfs            3956564      2432   3954132   1% /tmp
cgmfs                100         0       100   0% /run/cgmanager/fs
tmpfs             791316       108    791208   1% /run/user/999
/dev/sdc1       30278976  28176382   2102594  94% /media/ubuntu/USB DISK
/dev/sda2      472664060 432901940  39762120  92% /media/ubuntu/2CA8F999A8F961AE