Here is how to do lots of weird & annoying things over school net.
open run(start->run)type cmd.
ALTERNATE WAY TO GET A DOS PROMPT: Go to step 3.
Step 1: SEND them
type (no quotes): "@echo OFF
netsend /domain message goes here
replace message goes here with a message.
save to the desktop as annoy.bat
(netsend * sends to all on a network...........LOL!)