Apple Releases X11 for Mac OS X -- Leveraging the Unix core of Mac OS X, Apple has made available a public beta of X11 for Mac OS X, an environment that enables X11 applications to run within Mac OS X and makes it easier to port X11 applications to the Mac. The X11 package includes display server software, client libraries, and developer toolkits; an optional X11 Software Developer Kit for Mac OS X is also available. The public beta is available now as a free 41.5 MB download; the SDK is a 3.8 MB download. [JLC]
Wake On Demand in Snow Leopard
Putting your Mac to sleep saves power, but it also disrupts using your Mac as a file server, among other purposes. Wake on Demand in Snow Leopard works in conjunction with an Apple base station to continue announcing Bonjour services that the sleeping computer offers.
While the requirements for this feature are complex, eligible users can toggle this feature in the Energy Saver preference pane. It's labeled Wake on Network Access for computers that can be roused either via Wi-Fi or Ethernet; Wake on Ethernet Network Access or Wake on AirPort Network Access for wired- or wireless-only machines, respectively. Uncheck the box to disable this feature.