#!/bin/bash # Prints the total ram and used ram in Mb PREFIX=' ' get_ram() { TOTAL_RAM=$(free -mh --si | awk {'print $2'} | head -n 2 | tail -1) USED_RAM=$(free -mh --si | awk {'print $3'} | head -n 2 | tail -1) MB="MB" echo "$PREFIX$USED_RAM/$TOTAL_RAM" } get_ram