Super small Linux distro on X-Box

Lifted almost entirely from X-DSL.org:

X-DSL is a small (currently about 40mb) but fully functional Linux distribution for the XBOX, based on Damn Small Linux.

Installing X-DSL is just a case of copying a handful of files across to the Xbox E drive. You can then boot into X Windows with support for Xbox controllers and a virtual keyboard for text entry. X-DSL has fluxbox based desktop, with applications for email, web browsing, word processing and playing music. It can be customised with new applications by downloading myDSL extensions and placing them on the E drive

And check this out...

Oh be still my beating heart!!!

On a related note, be sure to check these out too
Damn Small Linux - a versatile 50MB mini desktop oriented Linux distribution
Xbox-Linux Project - Xbox Linux is GNU/Linux on your Xbox