mainterm

side = "left"
local monitor = peripheral.wrap("right")
rednet.open(side)
term.redirect(monitor)


monitor.write("Booted!")


function clear()  -- screen-clearing function
        term.clear()
        term.setCursorPos(1,1)
end

clear()

while true do
        event, param1, param2 = os.pullEvent("rednet_message") -- with rednet messages, the second variable is the ID of
                                                                                                                   --   the computer from which it was sent (integer) and
                                                                                                                   --   the third is the message itself (string)
                                                                                                                   -- parameter argument "rednet_message" limits the event
                                                                                                                   --   accepted to just "rednet_message"
        if param2 == "e" then -- if the message received is the string "e",
            clear()
                break                    --   break the loop and exit
        end
        print(param2) -- if the loop isn't broke, it will print from which the ID came from and

                                                               --   the message itself

end