repeat
   e, p2 = os.pullEvent()
  -- until p2 == 14 or p2 == 73 or p2 == 72 or p2 == 71 or p2 == 77 or p2 == 76 or p2 == 75 or p2 == 81 or p2 == 80 or p2 == 79 or p2 == 82
   if p2 == 14 then
    os.reboot()
   elseif p2 == 82 then   -- 0

    term.clear()
    term.setCursorPos(8, 1)
       print("    Vysvetlenie prikazov v [CC]")
       print("                       0")
       print("-------------------------------------------------")
       print("Prikazy budu oznacene ''aby si ich vedel rozlisit")
       print("Ovladanie pre tutorial bude")
       print("znova ovladane num. klavesnicou [1 az 9]")
       print("-------------------------------------------------")
       print("                BASIC INFORMATION")
       print("prikaz 'ls' vam vypise subory, ktore su na PC")
       print("prikaz 'ls disk' vypise subory, kt. su na disku")
       print("ak chceme vytvorit ci editovat program napiseme")
       print("'edit nazov suboru', P.S. - vzdy si subor ulozte")
       print("prikaz 'clear' vam vymaze terminal ale POZOR")
       print("'clear' nefunguje v programoch")
       print("'rm nazovprog' vymaze program, ktory si zvolite")
       print("'copy nazov1 nazov2' skopiruje subor1 do suboru2")
       print("'move nazov1 nazov2' premiestni subor1 do suboru2")

   elseif p2 == 79 then   -- 1
    term.clear()
    term.setCursorPos(8, 1)
    print("    Vysvetlenie prikazov v [CC]")
    print("                       1")
    print("--------------------------------------------------")
    print("                [1.print a write]")
    print("print a write su prikazy, ktore ti vypisu spravu ")
    print("do terminalu pocitaca, rozdiel medzi nimi")
    print("je ze print vam spravu rovno odriadkuje")
    print("write vas necha pokracovat dalej v tom riadku")
    print('Ak chceme vypisat slovo dame ho do ""')
    print('print("Zemiak") a write("Zemiak")')
    print("toto ale neplati pre premene")
    print("                 [2.Premene] ")
    print('premena napr. [a = "zemiak"] alebo [A = 57575] ')
    print('premena moze byt aj prikaz [b = print] ')
    print('v praxi b(a) ->> print("zemiak")')
    print("print(b) ->> print(57575)")
elseif p2 == 80 then   -- 2
       term.clear()
    term.setCursorPos(8, 1)
    print("    Vysvetlenie prikazov v [CC]")
    print("                       2")
    print("--------------------------------------------------")
    print("             [3.Ine ovladanie textu]")
    print("prikaz : 'term.clear()' vymaze terminal")
    print("prikaz : 'term.clearLine()' vymaze riadok v term")
    print("prikaz : 'term.setCursorPos(x, y)' podla suradnic")
    print("prikaz 'read()'precita to co sa napise do terminal")
    print("mozes ho pouzit aj ako 'a = read()' 'print(a)' ")
    print("'read()' je zaklad pre dvere na heslo")
    print("            [4.Vypocty cast 1.] ")
    print("1. vypocet cez premenne : a = b + c ")
    print("b = read() c = read() a = b + c print(a)")
    print("pri scitani textov nepouzijeme [+] ale [..] ")
    print('print("andrej".."jozef")')
   elseif p2 == 81 then   -- 3
           term.clear()
    term.setCursorPos(8, 1)
        print("    Vysvetlenie prikazov v [CC]")
    print("                       3")
    print("--------------------------------------------------")
    print("             [4.Vypocty cast 2.]")
    print("pouzivame znamienka <,>,=,==,+,-,*,/")
    print("rozdiel medzi = a == je taky, ze == znamena ze AK")
    print("sa nieco = niecomu tak.... ")
    print("Rada, skuste urobit na to svoj program ")
    print("            [5.If,elseif,else] ")
    print("If sa pouziva ak chceme aby sa nieco stalo AK ..")
    print("[if a == a then] to then je velmi dolezite !")
    print("[end] kazdy if ma svoj end")
    print('a = read() if a == 2 then')
    print('print("napisal si"..2) end')
    print("elseif je ak chceme dat if na tu istu vec")
    print("vyhodou elseif, je ze nemusime davat dalsi [end]")

    elseif p2 == 75 then   -- 4
               term.clear()
    term.setCursorPos(8, 1)
        print("    Vysvetlenie prikazov v [CC]")
    print("                       4")
    print("--------------------------------------------------")
elseif p2 == 76 then   -- 5
                   term.clear()
    term.setCursorPos(8, 1)
        print("    Vysvetlenie prikazov v [CC]")
    print("                       5")
    print("--------------------------------------------------")
elseif p2 == 77 then   -- 6
               term.clear()
    term.setCursorPos(8, 1)
        print("    Vysvetlenie prikazov v [CC]")
    print("                       6")
    print("--------------------------------------------------")
elseif p2 == 71 then   -- 7
                   term.clear()
    term.setCursorPos(8, 1)
        print("    Vysvetlenie prikazov v [CC]")
    print("                       7")
    print("--------------------------------------------------")
elseif p2 == 72 then   -- 8
                   term.clear()
    term.setCursorPos(8, 1)
        print("    Vysvetlenie prikazov v [CC]")
    print("                       8")
    print("--------------------------------------------------")
elseif p2 == 73 then   -- 9
                   term.clear()
    term.setCursorPos(8, 1)
        print("    Vysvetlenie prikazov v [CC]")
    print("                       9")
    print("--------------------------------------------------")
    end
until nil