Tonight’s broadcast of The Mac Night Owl LIVE, the radio show hosted by technology journalist and author Gene Steinberg, features Tim Banister, Product Manage for Quark, who will give a sneak peak of the forthcoming QuarkXPress 6 for Mac OS X. You’ll also learn the down and dirty secrets of Mac OS X and Unix from computer guru Pieter Paulson, co-author of the “Mac OS X Jaguar Administration Book.” The show can be heard every Friday at 9:00 PM ET, and tonight the host will be giving away a free copy of “The Mac OX 10.2 Jaguar Little Black Book,” so tune in to win.