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 ...

If, however, you're a Linux administrator or power user, and you often use shell commands and/or write shell scripts, then, my friend, you can wreck your computer's day with the wrong command at ...

The main purpose of the execute bit is to control whether or not you can run a file as a program or script. If you enter the name of a file on your command line, your shell will attempt to execute it.

A file of executable commands for Unix and Linux. Created in a text editor, when the file is run, each command is executed until the end of the file is reached. After the shell script is written ...

At times, we need to write shell scripts that are interactive and user executing them need to monitor the progress. For such requirements, we can implement a simple progress bar that gives an idea ...

How to Run a Command on Startup in Linux. One of Linux's strengths as an operating system is its ability to be configured and tweaked to suit your tastes. Using the command line allows you to ...

Many Linux-based machines run Bash as their standard scripting engine, but some distributions, like Alpine and Debian, don't. Testing your script with other shells can help with portability.

Because the script starts a new shell, and no commands have been run in that shell so the hash command has nothing to report. Source the script using “.”, on the other hand, and you’ll get a ...

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 ...

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 pres… ...