Filesystem      Size  Used Avail Use% Mounted on
/dev/sda6        20G   17G  1,2G  94% /
none            4,0K     0  4,0K   0% /sys/fs/cgroup
udev            2,9G   12K  2,9G   1% /dev
tmpfs           590M  1,6M  588M   1% /run
none            5,0M     0  5,0M   0% /run/lock
none            2,9G   63M  2,9G   3% /run/shm
none            100M   32K  100M   1% /run/user
/dev/sda5        17G   15G  2,0G  88% /media/Push_Button_Reset
/dev/sda1       600M  285M  316M  48% /media/Recovery
/dev/sda4       253G  132G  121G  53% /media/stephane/Acer
/dev/sda2       296M   61M  236M  21% /boot/efi