This challenge has ended. Here are the answers.

(Winners: Tina Wood, Challenge; Kevin Arhelger, Puzzler)

Challenge

Look up and describe whatis, man, and apropos. Then use these tools to find a command that you can use to determine the type of a random file. Try it on the files in this tar ball and send that and your descriptions to NeffK@IEEE.Org to win. Put the word "challenge" in the subject line.

Puzzler

Write a sed script that capitalizes I, I'm, etc. Send your script to NeffK@IEEE.Org with the word "puzzler" in the subject line to win.

Prize

The sticker or emblem or your choice from Think Geek.