screen-mem-usage

#!/bin/sh

total_mem=$(/usr/bin/free -m | /usr/bin/awk '$1 == "Mem:" { print $2 }')

while(true); do
  current_mem=$(/usr/bin/free -m | /usr/bin/awk '$1 == "-/+" { print $3 }')
  echo "${current_mem}MB/${total_mem}MB"
  sleep 3
done