GUIs are great—we wouldn’t want to live without them. But if you’re a Mac or Linux user and you want to get the most out of your operating system (and your keystrokes), you owe it to yourself to get ...

is the name of a UNIX command, executable program, or shell script to which you want to route output or from which you want to read input. The command(s) must be enclosed in either double or single ...

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 ...

Simply put, environment variables are variables that are set up in your shell when you log in. They are called “environment variables” because most of them affect the way your Unix shell works for you ...

One particular frustration with the UNIX shell is the inability to easily schedule multiple, concurrent tasks that fully utilize CPU cores presented on modern systems. The example of focus in this ...

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 ...

This week you may have heard about something called Shellshock. It’s a vulnerability in something else called Bash. Oh, and Bash is a Unix shell. And the Shellshock vulnerability may be larger than ...