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Nice retrospective by computer world."After batting around some ideas for a new system, Thompson wrote the first version of Unix, which the pair would continue to develop over the next several years with the help of colleagues Doug McIlroy, Joe Ossanna and Rudd Canaday. Some of the principles of Multics were carried over into their new operating system, but the beauty of Unix then (if not now) lay in its less-is-more philosophy." Unix turns 4

Learn how to better integrate scripts with command-line tools. Examine using shell_exec(), exec(), passthru(), and system(); safely passing information to the command line; and safely retrieving information from it. See how to integrate closely with underlying shell commands and folding any return values into your interfaces and processes.

The battleground has shifted from the Operating System to the hypervisor, and Linux has a clear role to play. One of the most important modern innovations of Linux is its transformation into a hypervisor. Learn about KVM and Lguest and why the most important modern innovations of Linux is its transformation into a hypervisor

The ideas in this article may help you breathe life (and some additional security) into your old machines and make better use of Linux on aging hardware. A lack of physical memory can severely hamper Linux performance. Llearn how to accurately measure the amount of memory your Linux system uses. You also get practical advice on reducing your memory requirements using an Ubuntu system as an example.

This article compares and contrasts some of the innovations of the latest releases of AIX 6.1, Solaris 1, and HP-UX. Learn the differences on how to work with certain tasks, such as networking and performance tuning. Also, see at a high level some of the virtualization differences among these big three. You decide what you prefer best.

Some nice info in this."Most of the time, your screen's capabilities should be identified using something called EDID - Extended Display Identification Data. This is a chunk of information sent from your display to your graphics card, and normally contains information such as your screen's model and manufacturer, resolution timings and display size. X then uses this data to create appropriate resolutions and bit depths that make optimal use of your hardware." Modify xorg.conf for better per

As data centers grow in both size and complexity, the ability to manage the configuration of each and every server from a central location becomes increasingly important. Two popular Open Source configuration management solutions exist: cfengine and Puppet."Puppet is written in Ruby, is easily installed, and as we will see, can be setup and taken live in less than fifteen minutes!" Puppet + subversion in 15 minutes

Android, a complete operating environment based upon the Linux V2.6 kernel, promises to be a market-moving open source platform that will be useful well beyond cell phones. In this article, learn about the Android platform and how it can be used for mobile and nonmobile applications, then build your first Android application. This simple first app you build will get you started quickly, but beleive me, you'll want to do more after that.

Why is virtualization so important? The short answer is that virtualization enables businesses to lower their technology Total Cost of Ownership (TCO), while increasing their Return on Investment (ROI). What do the top UNIX vendors have to offer with respect to virtualization? Find out what virtualization is more scalable. Here's a look at HP's Virtual Server Environment (VSE), Sun's xVM, and IBM's PowerVM.

Let the pictures tell the story. This is the next version of Fedora. Fedora 11 Screenshot Tour