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 ...

You need to package up a bunch of files, send them somewhere, and do something with them at the destination. It isn’t an uncommon scenario. The obvious answer is to create an archive — a zip or tar ...

Few aspects of Unix system administration are more intimate than the relationship between the admin and their chosen shell. After all, the shell is the most fundamental interface to the system, the ...

If you use Linux, chances are you're familiar with the command line. The shell is a powerful command-line interface, but you can think of running commands as a kind of programming. Here's why. The ...

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 ...

Basic ways you can use shell scripts to monitor password strength and secret accounts. The internet ain't what it used to be back in the old days. I remember being online back when it was known as ...

It is easy to dismiss bash — the typical Linux shell program — as just a command prompt that allows scripting. Bash, however, is a full-blown programming language. I wouldn’t presume to tell you that ...

This article is reprinted from the book A Practical Guide to Linux Commands, Editors, and Shell Programming 3rd edition, with permission of the author and publisher ...

The shell is the unsung hero of your Linux experience. Sitting between you and the programs your operating system runs, the shell is a user interface and a programming language rolled into one. One of ...