If you're not yet comfortable with writing scripts on Unix and Linux systems, this post might get you off to a healthy start. Creating a script on a Unix or Linux system can be dead easy or ...

The command-line interface (CLI) is the cornerstone of interacting with the Linux operating system. It allows users to enter commands directly, offering greater control and flexibility compared to ...

This Wiley Publishing tome is big (more than 650 pages), useful and very complete. Be warned, however, that its scope is limited to system administration. The purpose of the book is to solve “real ...

Shell scripting is one of those skills that are absolutely invaluable on especially UNIX and BSD-based systems like the BSDs, the two zillion Linux distributions as well as MacOS. Yet not every shell ...

Attaching a remote drive or directory on a Windows box is called “drive mapping” though the process is essentially the same as what we call mounting in the Unix world. While I rarely spend any ...

Bash, aka the Bourne-Again Shell, has a newly discovered security hole. And, for many Unix or Linux Web servers, it's a major problem. The flaw involves how Bash evaluates environment variables. With ...

The following excerpt is from chapter 3, User-Level Memory Management, of Arnold Robbins’ book Linux Programming by Example: The Fundamentals, Prentice Hall PTR; (April 12, 2004), used with permission ...

As Terry Lambert, the developer behind Linux ancestor Unix, once said, "It is not Unix's job to stop you from shooting your foot. If you so choose to do so, then it is Unix's job to deliver Mr. Bullet ...