#!/bin/bash

mem="$(free -m | awk 'NR==2 { printf "Total: %sMB, Used: %sMB, Free: %sMB",$2,$3,$4; }')"

mem="Memory........: $mem"

space="$(df -h ~ | awk 'NR==2 { printf "Total: %sB, Used: %sB, Free: %sB",$2,$3,$4; }')"
space="Home space....: $space"

temp="$(/opt/vc/bin/vcgencmd measure_temp | cut -c "6-9") ºC"
temp="Temperature...: $temp"

echo $mem
echo $space
echo $temp