Modderajuda/M/swapmemory

#!/bin/bash 
fun_swap() {
    clear
echo -e "\033[0;34m┏━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┓\033[0m"
echo -e "\033[0;34m┃\E[44;1;37m        GERENCIAR MEMORIA VIRTUAL        \E[0m\033[0;34m┃"
echo -e "\033[0;34m┗━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┛\033[0m\n"
		echo -e "\E[38;5;196m|\E[38;5;33m01\E[38;5;196m|\033[1;37m➜ \033[1;33mATIVAR SWAP / ALTERAR VALOR DO SWAP \033[0m"
		echo -e "\E[38;5;196m|\E[38;5;33m02\E[38;5;196m|\033[1;37m➜ \033[1;33mDESATIVAR SWAP\033[0m"
		echo -e "\E[38;5;196m|\E[38;5;33m00\E[38;5;196m|\033[1;37m➜ \033[1;33mVOLTAR\033[0m\n"
		echo -ne "\033[1;32mO QUE DESEJA FAZER \033[1;33m?\033[1;37m "
		read resposta
		if [[ "$resposta" = '1' ]]; then
            clear
			echo -e "\E[44;1;37m            MEMORIA VIRTUAL              \E[0m"
			echo ""
			echo -ne "\033[1;32mQUANTOS GIGAS DESEJA ULTILIZAR \033[1;33m?\033[1;37m: "
			read gigas
            [[ -z "$gigas" ]] && {
					echo ""
					echo -e "\033[1;31mGigas invalida!"
					sleep 2
					clear
					menu
				}
            echo ""
			echo -e "\033[1;32mINICIANDO MEMORIA VIRTUAL \033[1;31m$gigas GB\033[1;33m"
			echo ""
            swapoff -a
            rm -rf /bin/ram.img > /dev/null 2>&1
            fallocate -l ${gigas}G /bin/ram.img > /dev/null 2>&1
            chmod 600 /bin/ram.img > /dev/null 2>&1
            mkswap /bin/ram.img > /dev/null 2>&1
            swapon /bin/ram.img > /dev/null 2>&1
            echo 50  > /proc/sys/vm/swappiness
            echo '/bin/ram.img none swap sw 0 0' | sudo tee -a /etc/fstab > /dev/null 2>&1
            echo ""
			echo -e "\033[1;32mMEMORIA VIRTUAL ATIVADO COM SUCESSO\033[1;33m"
            sleep 2
			fun_swap
        elif [[ "$resposta" = '2' ]]; then
            clear
			echo -e "\E[44;1;37m            DESATIVANDO MEMORIA VIRTUAL              \E[0m"
            swapoff -a
            rm -rf /bin/ram.img > /dev/null 2>&1
            echo ""
			echo -e "\033[1;32mMEMORIA VIRTUAL DESATIVADO COM SUCESSO!\033[1;33m"
			sleep 2
			fun_swap
        elif [[ "$resposta" = '0' ]]; then
			echo ""
			echo -e "\033[1;31mRetornando...\033[0m"
			sleep 1
			menu
		else
			echo ""
			echo -e "\033[1;31mOpcao invalida !\033[0m"
			sleep 1
			fun_swap
		fi 
}
fun_swap