2.0 Update

local function s(...) return sleep(...) end
local function aw(...) return write(...) end
local function p(...) return print(...) end
local function tw(...) return term.write(...) end
local function scp(...) return term.setCursorPos(...) end
local function sbc(...) return term.setBackgroundColor(...) end
local function stc(...) return term.setTextColor(...) end
local function tc(...) return term.clear(...) end
local function tcl(...) return term.clearLine(...) end
local function r(...) return shell.run(...) end
local function sp(...) return textutils.slowPrint(...) end
local function sw(...) return textutils.slowWrite(...) end
local function fse(...) return fs.exists(...) end
local function pul(...) return paintutils.loadImage(...) end
local function pud(...) return paintutils.drawImage(...) end
local function pfb(...) return paintutils.drawFilledBox(...) end
local function su(...) return os.shutdown(...) end
local function re(...) return os.reboot(...) end
local function pdp(...) return paintutils.drawPixel(...) end

if fse("/os/main/menu.backup") then
    fs.delete("/os/main/menu.backup")
end
if fse("/os/main/explorer.backup") then
    fs.delete("/os/main/explorer.backup")
end

fs.copy("/os/main/menu", "/os/main/menu.backup")
fs.copy("/os/main/explorer", "/os/main/explorer.backup")
fs.delete("/os/main/menu")
fs.delete("/os/main/explorer")
r("pastebin get R0RDz6eh /os/main/menu")
r("pastebin get za0ck7T5 /os/main/explorer")
sbc(colors.black)
tc()
sbc(colors.black)
stc(colors.white)
scp(1,1)
p("Aktualizacja zakonczona pomyslnie!")
s(2)
re()