Laptop as a router, now that it works for some reason

cron again
	- At some point, I should really show you how to use this!
	- System administration:  /etc, cron has stuff in here
	- There's a way to do cron as a regular user, but I forgot how
		+ Why would you want this?

xargs example:  Download all CS228 assignments in parallel
	- Side note:  Web spider
	wget can already do this

Scripting:
	Scripts can be pretty elaborate!
	Example:  spectre-meltdown-checker.sh
	They can even have a GUI!
	cdrtoaster

C string review:  Do something new