Telnet, ifconfig, and netstat, and more, all have better replacements.

When working in shell sessions on Linux, it is sometimes necessary to investigate the settings for that particular environment, and the env command can help with that. In this 2-minute Linux Tip by ...

Shaking up the usual terminal suspects.

Jack Wallen introduces you to Linux environment variables. What are they and how are they set and unset? How many times have you installed something on Linux, only to find out that you need to set ...

If you're working in a Linux environment, chances are you've encountered environment variables—even if you didn’t realize it at the time. They quietly power much of what goes on behind the scenes in ...

The Linux command line is a powerful tool that gives you complete control over your system. But to unleash its full potential, you must understand the environment in which it operates. One crucial ...

Jack Wallen shows you how to pass environment variables to Docker containers for a more efficient development process. We may earn from vendors via affiliate links or sponsorships. This might affect ...

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 ...