I would like to check how much free memory available in android device. so I run free command:
total used free shared buffers
Mem: 3.5G 3.5G 34M 9.4M 25M
-/+ buffers/cache: 3.5G 59M
Swap: 2.0G 66M 1.9G
This result looks like weird, Is the free memory 34M + 59M + 1.9G = 2.8G?