#!/bin/bash
total=`echo $(grep MemTotal: /proc/meminfo) | cut -d' ' -f2`
libre=`echo $(grep MemFree: /proc/meminfo) | cut -d' ' -f2`
buffers=`echo $(grep Buffers: /proc/meminfo) | cut -d' ' -f2`
cached=`echo $(grep Cached: /proc/meminfo) | cut -d' ' -f2`
dispo=$(($libre+$buffers+$cached))
echo "Memoire totale     : $total Ko"
echo "Memoire libre      : $libre Ko"
echo "Memoire disponible : $dispo Ko"