Filesystem      Size  Used Avail Use% Mounted on
/cow            1.9G  1.6G  220M  89% /
udev            1.8G  4.0K  1.8G   1% /dev
tmpfs           370M  1.1M  369M   1% /run
/dev/sda1       7.3G  6.1G  1.2G  84% /cdrom
/dev/loop0      953M  953M     0 100% /rofs
none            4.0K     0  4.0K   0% /sys/fs/cgroup
tmpfs           1.9G  1.4M  1.9G   1% /tmp
none            5.0M     0  5.0M   0% /run/lock
none            1.9G  160K  1.9G   1% /run/shm
none            100M   68K  100M   1% /run/user
@:~$