UNIX is a powerful multi-user operating system (OS) that defined how we do computing for more than 40 years. It provided a lot of features and abstractions that we take for granted today. This ...

The MacOS X server discussion here two weeks ago included a comment from someone pushing the Linux/Unix distinction, my response pointing out that Linux is Unix and that people changing from something ...

The choice between UNIX and Linux is not an easy one. These operating systems both have their upsides and downsides. There are certain things you need to consider before deciding which operating ...

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) on Monday added a critical security flaw impacting the Sudo ...

Commercial enterprise UNIX today reminds me of vintage clothes and furniture. Just when you think certain things have become passé in favor of newer more modern things, they are somehow revived and ...

To get started as a Linux (or Unix) user, you need to have a good perspective on how Linux works and a handle on some of the most basic commands. This first post in a “getting started” series examines ...

There are several softwares to convert text files from UNIX or Linux to DOS operating systems and vice-versa. However, it always helps to know the manual conversion. In shell programming languages ...

Hackers are actively exploiting a critical vulnerability (CVE-2025-32463) in the sudo package that enables the execution of ...

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 ...