RC Turtle Server

rednet.open("left")
print("This turtle is under my control!")
while true do
  if rednet.receive()=="forward" then
    turtle.forward()
  end
  if rednet.receive()=="left" then
    turtle.turnLeft()
  end
  if rednet.receive()=="back" then
    turtle.back()
  end
  if rednet.receive()=="right" then
    turtle.turnRight()
  end
  if rednet.receive()=="up" then
    turtle.up()
  end
  if rednet.receive()=="down" then
    turtle.down()
  end
end