mem.sh

#!/bin/sh

count='0'
while [ 1 ]
do

#mem_total=`free | grep "^Mem" | awk '{ print $2 }'`
mem_used=`free  | grep "^Mem" | awk '{ print $3 }'`
mem_free=`free  | grep "^Mem" | awk '{ print $4 }'`
echo -e $count '\t' $mem_total '\t' $mem_used '\t' $mem_free

count=`expr $count + 2`
sleep 2
done