When was the last time you restarted or shutdown your Mac? In the post-iPhone era, most devices are now powered on almost constantly. For better or for worse, the computing landscape has accommodated this "always on" trend, but you still need to periodically restart your devices—especially your Mac. If you were ever wondering, Mac OS X's built-in utilities can give you information about your computer's uptime status, recent reboots, and recent shutdowns—and it's pretty easy to access. Thi...
