BSOD

os.pullEvent = os.pullEventRaw

local args = {...}

w,h = term.getSize()

term.clear()

function printCentered(y,s)
    local x = math.floor((w - string.len(s)) / 2)
    term.setCursorPos(x,y)
    term.clearLine()
    term.write(s)
end

if #args < 1 then
    term.setBackgroundColor(colors.blue)

    term.clear()

    printCentered(math.floor(h/2) - 2, "Diamond OS")
    printCentered(math.floor(h/2) + 0, "We find fatal error on your computer")
    printCentered(math.floor(h/2) + 1, "The computer will automaticaly reboot")
    printCentered(math.floor(h/2) + 2, "in 5 seconds")
    printCentered(math.floor(h/2) + 3, "If problem will appear,")
    printCentered(math.floor(h/2) + 4, "ask our company for help")
    printCentered(math.floor(h/2) + 6, "Error: [DO:00000] Fatal error while running os" )
    printCentered(math.floor(h/2) + 7, "We hope, that this is small problam :)")
    term.setCursorBlink(false)

    sleep(5)

    os.reboot()
else
    term.setBackgroundColor(colors.blue)

    term.clear()

    printCentered(math.floor(h/2) - 2, "Diamond OS")
    printCentered(math.floor(h/2) + 0, "We find fatal error on your computer")
    printCentered(math.floor(h/2) + 1, "The computer will automaticaly reboot")
    printCentered(math.floor(h/2) + 2, "in 5 seconds")
    printCentered(math.floor(h/2) + 3, "If problem will appear,")
    printCentered(math.floor(h/2) + 4, "ask our company for help")
    printCentered(math.floor(h/2) + 6, "Error: " .. args[1])
    printCentered(math.floor(h/2) + 7, "We hope, that this is small problam :)")
    term.setCursorBlink(false)

    sleep(5)

    os.reboot()
end