linux-operating-system1When working in Linux system you might need to look for the memory usage in the system. Linux comes with different command to check memory usage. However, there is an easy command in Linux that allows you to see the total amount of free and used physical and swap memory.

Type this command below into the terminal

free

You would see the total amount of free and used physical and swap memory in the system. Further it also shows the buffers used by the kernel.

Sample Output

free