I can visualize data transfer with# watch dfFilesystem     1K-blocks     Used Available Use% Mounted onudev             4015776        0   401234   0% /devtmpfs             805936     9744    79651   2% /run/dev/sda1       21836624 11527716   917120  56% /tmpfs            4029672      152   4022520   1% /dev/shmHow can I have the byte rate for each column instead of the absolute value?
How to get the transfer rate of my devices?
disk usage;monitoring;devices