root@ubuntu:/home/michael# df
Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/sda5             11962224  11821928         0 100% /
/sys                  11962224  11821928         0 100% /sys
varrun                11962224  11821928         0 100% /var/run
varlock               11962224  11821928         0 100% /var/lock
df: `/proc/bus/usb': No such file or directory
udev                  11962224  11821928         0 100% /dev
devshm                11962224  11821928         0 100% /dev/shm
devpts                11962224  11821928         0 100% /dev/pts
lrm                   11962224  11821928         0 100% /lib/modules/2.6.20-15-generic/volatile
/dev/sda2             11962224  11821928         0 100% /media/sda2
root@ubuntu:/home/michael#