Filesystem      Size  Used Avail Use% Mounted on
udev            1,9G     0  1,9G   0% /dev
tmpfs           376M   11M  365M   3% /run
/dev/sdb1       3,7G  1,1G  2,6G  31% /cdrom
/dev/loop0      1,1G  1,1G     0 100% /rofs
/cow            1,9G   64M  1,8G   4% /
tmpfs           1,9G   84K  1,9G   1% /dev/shm
tmpfs           5,0M  4,0K  5,0M   1% /run/lock
tmpfs           1,9G     0  1,9G   0% /sys/fs/cgroup
tmpfs           1,9G  4,0K  1,9G   1% /tmp
cgmfs           100K     0  100K   0% /run/cgmanager/fs
tmpfs           376M   84K  376M   1% /run/user/999