jamie@jamie-laptop:~$ df
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sda1 37017868 14536024 20601440 42% /
none 245620 316 245304 1% /dev
none 249852 512 249340 1% /dev/shm
none 249852 88 249764 1% /var/run
none 249852 0 249852 0% /var/lock
none 249852 0 249852 0% /lib/init/rw
jamie@jamie-laptop:~$ df -m
Filesystem 1M-blocks Used Available Use% Mounted on
/dev/sda1 36151 14196 20119 42% /
none 240 1 240 1% /dev
none 244 1 244 1% /dev/shm
none 244 1 244 1% /var/run
none 244 0 244 0% /var/lock
none 244 0 244 0% /lib/init/rw