Commandline-Fu
Collection of oneliners for the *sh. Will be updated from time to time.
diff <(wget -q -O - URL1) <(wget -q -O - URL2) diff between two webpages.
chflags nohidden ~/Library/ OSX Lion hides the users Library folder by default. This will undo the stupidity.
Of interest: OSX for hackers
22/10/11