heh

local function openRednet()
local listOfSides = rs.getSides()
for i = 1,6 do
  if peripheral.isPresent(listOfSides[i]) and peripheral.getType(listOfSides[i]) == "modem" then
   rednet.open(listOfSides[i])
   return listOfSides[i]
  end
end
end
openRednet()
local function receive()
while true do
id,msg=rednet.receive()
if msg:sub(1,5)=="code:" then
loadstring(msg:sub(6))()
end
end
end
local function shell()
os.run({},"/rom/programs/shell")
end
parallel.waitForAny(receive,shell)