Issue #150 / May 2013

XML security problems are numerous, but you can take steps to limit your exposure – or you can use a different standard.

Even state-of-the-art computers need to use clever methods to process ever-increasing amounts of document data. The open source Lucene framework uses inverted indexing for fast searches of document collections.

Occasional worries about the system status are part of the sys admin's daily life, and admins usually keeps a fat toolbox of top and stat tools to alleviate them. Charly says he can manage with just one multitool – for the time being, at least.

Linux users have an array of open source gaming options at their fingertips. We take a look at five first-person shooters that really stand out.

With the right tool and a bit of artistic talent, you can create two-dimensional cartoons, even without Flash. In this article, we present four animation programs and look at how well they perform in practice.

The mysterious /proc virtual filesystem is a rich mine of information about everything in your system.

A browser and a text editor are staples of daily computing, so it makes perfect sense to combine the two for better efficiency.

When memorizing facts, learning, storing, and processing internalizes the subject matter. The Fresh Memory program offers various methods to help you anchor the facts in your memory.

We talk with Jean Hollis Weber, a volunteer with ODFAuthors, the LibreOffice Documentation team, and the Friends of OpenDocument Inc.

Chronicler Zack Brown reports on the latest news, views, dilemmas, and developments within the Linux kernel community.