#!/bin/bash whiptail --title " FORMATTING DATA DRVE " --yes-button "DELETE DATA" --no-button "CANCEL" --yesno "For fresh setup your data drive needs to be formatted, but there is old data on your HDD/SSD that could contain funds. Are you really sure that you want delete that old data? " 10 65 if [ "$?" == "0" ]; then # 0 --> delete data exit 0 else # 1 --> cancel exit 1 fi