Xargs is a fantastic command-line tool used to read data streams from the standard input of one command and pass them as arguments to another command when combined via piping. You can seamlessly pair it with various other commands, such as find, rm, cp, mkdir,
Systemd is a popular init system used by many major Linux distributions, such as Ubuntu, Debian, Red Hat, and Fedora. It’s ofter a service manager that manages various programs and processes on your Linux system. The systemd services are defined in unit files. Few programs
In this article, you will learn what the “/etc/mtab” file is in Linux, the difference between the “/etc/mtab” and “/etc/fstab” files, their relationship to the “mount” and “umount” commands, and the different parameters and directives in the “/etc/mtab” file. What is the /etc/mtab file in
The “xxd” command allows to convert data from standard input or a file into hexadecimal or binary output, and it can also reverse the process, converting hex (not binary) to regular characters. Debugging, inspecting non-textual content in hexadecimal, analyzing binary file structures, transporting data in
At one point, you may have come across a template, configuration, or initialization file containing bash variables as placeholders that you’ll need to fill in before actual usage. To fill those variables, you can either use the globally set environment variables, such as “$HOME“, “$USER“,
In Linux, “/proc” is a special virtual file system that contains valuable system-related information in different files. Such a file is “/proc/cpuinfo“, which stores detailed information about the CPU, such as vendor ID, CPU family, model name, virtualization features, caches, and many more. Since it’s
In this article, you will learn about a “lineselect” tool that allows you to interactively select single or multiple lines from stdin and output them to stdout, as shown. What is LineSelect? LineSelect is a free and open-source CLI tool that allows those working on
ShellBench is a free benchmark tool written in a shell script for POSIX shell comparison. It allows you to execute a series of commands in an infinite loop or until the timeout. This way, you can test and compare the performance of various shells like
Inotifywait is a Linux command-line utility that assists system administrators in monitoring events such as opening, modifying, reading, closing, moving, or deleting on files or directories. It can seamlessly integrate with other tools or be used within a shell script. So, if you want to
Once you have completed your assignment on a big software project (with or without a team), have you ever thought about how much code in different programming languages has been used in the project? If the project is hosted on GitHub, you might catch a
I assume you are aware of jq (a JSON processor to parse and manipulate JSON data right from your command line), and recently we have also written an article on jaq (a superset of jq with additional features and improved performance), but today we bring
The bat is a modern command-line program written in the Rust programming language, and I can confidently say it’s a great drop-in replacement for our beloved cat command. If you’re wondering why I’m hyping this so much and what it has to offer you that
