cat retrobits.txt > /dev/listener Welcome to Show #104! This week's topic: The Unix Operating System! RetroGamer Magazine caters to the vintage gamer - have a look at their web site! A Computer Called LEO - a business thinking about automation - in the 1930s? Here's an Amazon link for the book... Virtual II , an Apple II/II+/IIe emulator for Mac OS, has just released a new version! Haven't heard…