df

charles@charlie-desktop:~$ sudo df
Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/sda3             74975292  46384816  24781868  66% /
none                   1019692       296   1019396   1% /dev
none                   1024228       648   1023580   1% /dev/shm
none                   1024228       372   1023856   1% /var/run
none                   1024228         4   1024224   1% /var/lock
none                   1024228         0   1024228   0% /lib/init/rw
none                  74975292  46384816  24781868  66% /var/lib/ureadahead/debugfs