df -k

df -k command lists the free space and total space and used space in terms of 1k blocks including the used percentage and mount point

example:

bhavani@bhavani-laptop:~$ df -k
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/sda1 236271424 10971516 213392532 5% /
varrun 1033216 108 1033108 1% /var/run
varlock 1033216 0 1033216 0% /var/lock
udev 1033216 52 1033164 1% /dev
devshm 1033216 12 1033204 1% /dev/shm
lrm 1033216 38176 995040 4% /lib/modules/2.6.24-16-generic/volatile
gvfs-fuse-daemon 236271424 10971516 213392532 5% /home/bhavani/.gvfs

for more info refer the manual page by typing the command

man df

Regards