print("Are You Sure? This Will Wipe Your Harddisk!")
local menuOptions = {"Yes", "No"}
term.write(text)
return true
function start()
while true do
 term.clear()
 for i,v in ipairs(menuOptions) do
  if i == selected then
       centerText(":"..v..":", i)
	else
	   centerText(v,i)
	end
   end
   local id, key = os.pullEvent()
   if key == 208 and selected < #menuOptions then
    selected = selected + 1
   elseif key == 200 and selected > 1 then
    selected = selected - 1
end
	local id, key = os.pullEvent()
   if key == 28 then
    return selected
   end
end
end
x = start()
print()
if selected == 1 then
 print("Goodbye!:(")
sleep(1)
print("Formatting Your Drive...")
for _,file in ipairs(fs.list("/")) do
  if not fs.isReadOnly(file) then
    fs.delete(file)
	print("Deleted:" + file)
  end
end
print("DaanOS Was Been Uninstalled.")
print("Please Help Us Make Our OS Better By Sending a suggestion on: https://bit.do/daanos")
sleep(10)
os.reboot()
end
if selected == 2 then
 print("Operation Aborted")
write("Press any key to go back to the boot selection menu")
os.pullEvent("key")
shell.run("startup")
end