To display avaliable memory with colors
free -h | awk 'NR==2{printf "\033[36mRAM\033[0m | \033[32m%s\033[0m Total | \033[31m%s\033[0m Used | \033[32m%s\033[0m Free | \033[33m%s\033[0m Avail\n",$2,$3,$4,$7}'