Filesystem     1K-blocks    Used Available Use% Mounted on
udev             1938320       0   1938320   0% /dev
tmpfs             390512    6364    384148   2% /run
/dev/sdb1        7547480 5656836   1890644  75% /cdrom
/dev/loop0       1416576 1416576         0 100% /rofs
/cow             1952548  673060   1279488  35% /
tmpfs            1952548     364   1952184   1% /dev/shm
tmpfs               5120       4      5116   1% /run/lock
tmpfs            1952548       0   1952548   0% /sys/fs/cgroup
tmpfs            1952548    1380   1951168   1% /tmp
cgmfs                100       0       100   0% /run/cgmanager/fs
tmpfs             390512     104    390408   1% /run/user/999