Once you’ve gained a solid understanding of Linux and mastered the various commands available, your next big win comes in the ...

The script command not only makes a record of what commands you run but also allows you to save the output generated so that you can examine it later or easily turn your command sequences into scripts ...

Simply put, a Shell Script is a program that is run by a UNIX/Linux shell. It is a file that contains a series of commands which are executed sequentially as if they were entered on the command line ...

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 ...

While other scripting languages have gained popularity, Perl remains a popular choice due to its robust text processing ...

Learn how to append text to files in Linux using commands like double redirection operator, tee, and sed without overwriting existing data.

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 ...