Extended attributes are a fairly new addition to Linux. Learn how to manage files more effectively with extended attributes and the Z Shell.

The rise in scale and complexity of corporate networks hasn’t been matched by a proportional raise in IT budgets. So, to eschew the cost of commercial network management suites, IT departments are turning to open source. The result? Better tools, more widespread adoption, more participation — reminiscent of the rise of Linux itself.

Hide messages in images with simple steganography tools.

Our coverage of Linux-based cluster distributions continues this month with OSCAR, the Open Source Cluster Application Resource software bundle available free from the Open Cluster Group.

It’s been eight years since recursive make was called" harmful," but developers still use it. Here’s how to break the habit.

Debuggers make kernel internals more transparent. On Linux, they come in different flavors: The Kernel debugger, kdb, the Kernel GNU debugger, kgdb, the GNU debugger, gdb, and JTAG- based debuggers. Learn how to use the former three in this month’s column.

Start using the Pluggable Authentication Modules(PAM) system to manage login authentication. (You can also read http://www.linux-mag.com/2000-06/guru_01.html.)

Work smarter by storing your vital brain tools in an open-source knowledge base.

Jason Perlow’s April 2005 “Shutdown” column “A Mile in IT’s Shoes” (available online at http://www.linux-mag.com/2005-04/shutdown_01.html) continued to elicit responses. The first lambasts the column, while the rest praise it.

Hardly ephemeral, email is often the “smoking gun” a plaintiff needs to extract a settlement. But email, like other electronic documentation, need not be retained forever, if you follow a document retention policy. Creating such a policy typically helps an organization streamline and improve its internal communications, archiving procedures, and other business processes.

In the last two columns, I introduced my CGI::Prototype generic controller framework. This time, let’s continue the examination with a description of a real workhorse subclass, CGI::Prototype::Hidden.

Is that a supercomputer on your desktop or are you just happy to see me?

Utility programs like grep have new features that you may not have seen. Here’s the second of a series of articles about some of the handiest.

The top ten moments in Linux history, open for debate.

Linux on the Nintendo DS, Linux in Good Hands, and A Very Large Small Drive

Think Linux total cost of ownership is less than that of Windows? Think again.

HTML Tidy cleans and pretty prints your HTML.