Filesystem tagging for Linux

Stephen Hahn isn't the first to suggest adding tagging functionality to the filesystem so we can manage files the same way we do bookmarks with del.icio.us -- Apple is doing some interesting things with Spotlight and metadata, and Microsoft is working on the mythical WinFS, for example -- but he might be the first to actually implement it. He's created a Perl script for Linux called "tag" which lets you tag your files and retrieve them in a manner reminiscent of del.icio.us -- but from the command line, of course. Neat trick, Stephen.
With Halloween fast approaching, it's a great time to get in some practice defending your territory against zombies. In Graveyard Shift, you take aim at zombies and other creepy-crawlies, blasting them into splatters of cartoony green guts. It's a casual first-person shooter, and it's very easy to get the hang of - use the mouse to aim, click to fire. Graveyard Shift has at least 15 levels, and it might even have some secret stages I haven't unlocked yet.
They key to getting good at Graveyard Shift is learning to use ...
