I laughed harder than I should

So my mom just sent me this...

Biggest coding distraction? Real world things like eating and sleeping ;-;

So recently I have this course called Operating Systems and we used putty to connect to a linux server. An assignment was given to fork a child and pass the message through all the children and all that good stuff. The assignment wasn't the hard part, its to deal with the fact that some people just orphan their children. The server is on the verge of death at this point. So.many.tasks.running. Can I wall and tell them to kill their processes ~_~

Variables as single letters or numbers, just why????