df -TH
[[email protected] ~]# df -TH
Filesystem Type Size Used Avail Use% Mounted on
/dev/xvda1 ext4 22G 4.9G 16G 25% /
tmpfs tmpfs 786M 0 786M 0% /dev/shm
[[email protected] ~]# free
total used free shared buffers cached
Mem: 1534896 1469616 65280 0 54284 529056
-/+ buffers/cache: 886276 648620
Swap: 0 0 0