startup

term.clear()
term.setCursorPos(1,1)

local version = "0.1"

--Color Set Functions--
function white()
term.setTextColor(1)
end
function yellow()
term.setTextColor(16)
end
function blue()
term.setTextColor(2048)
end
function green()
term.setTextColor(8192)
end
function red()
term.setTextColor(16384)
end
function black()
term.setTextColor(32768)
end

--Text Functions

function drawLine()
print("---------------------------------------------------")
end
function centerText(text)
local x,y = term.getSize()
local x2,y2 = term.getCursorPos()
term.setCursorPos(math.ceil((x / 2) - (text:len() / 2)), y2)
write(text)
end

function drawLogo(text)
red()
drawLine()
white()
centerText(text)
red()
drawLine()
white()
end

function drawSubLogo(text)
centerText(text)
red()
drawLine()
white()
end

function clear()
term.clear()
term.setCursorPos(1,1)
end

function press()
red()
centerText("~")
yellow()
centerText("Press anything to continue!")
white()
os.pullEvent("key")
end

--Main Programs
function drawMain()
clear()
drawLogo("StriteOS")
drawSubLogo("~Version "..version.."!~")
print()
yellow()
write("> ")
white()
local com = read()
  if com == "Redstone" or "redstone" or "rs" then
  redstone()
  elseif com == "Exit" or "exit" or "Out" or "out" then
  exit()
  end
end

function redstone()
print ("Function not done, try again later!")
print ()
press()
drawMain()
end

function exit()
term.clear()
term.setCursorPos(1,1)
drawLogo("StriteOS")
drawSubLogo("Are you sure you want to exit StriteOS? (y/n)")
print()
yellow()
write("> ")
white()
local exitYN = read()
  if exitYN == "y" or "Y" or "yes" or "YES" or "Yes" then
  term.clear()
  term.setCursorPos(1,1)
  drawLogo("StriteOS")
  drawSubLogo("Exiting StriteOS...")
  sleep(0.8)
  shell.run("reboot")
  elseif exitYN == "n" or "N" or "No" or "NO" or "No" then
  term.clear()
  term.setCursorPos(1,1)
  drawLogo("StriteOS")
  drawSubLogo("Going back to Desktop...")
  sleep(0.8)
  drawMain()
  end
end

--Main
drawMain()