"I want to back up my hard drive every day."
"It's simple - one command and it's in your crontab!"
"Wow. And ... I'm looking for a file I was working on. I can't remember the name, all I know is it's got a phone number somewhere near the top."
"OK, what format was the phone number in? I can grep that in no time!"
"Wait, it's on my home competer! I'll never be able to access it"
"HA! That's what you think. Let's see if your SSH is up ..."