Filesystem           1K-blocks      Used Available Use% Mounted on
/cow                   1930172     53724   1876448   3% /
udev                   1921856         4   1921852   1% /dev
tmpfs                   772072       900    771172   1% /run
/dev/sr0                710956    710956         0 100% /cdrom
/dev/loop0              675968    675968         0 100% /rofs
tmpfs                  1930172        20   1930152   1% /tmp
none                      5120         4      5116   1% /run/lock
none                   1930172       104   1930068   1% /run/shm
/dev/sda4            145358068   2266516 135707764   2% /home/ubuntu/Desktop/alternate