You think you always interacted with Bash? Wrong, under the hood, there was a savior to provide you speed and better efficiency, known as Dash. What is the Dash Shell in Linux? Dash (or the “Debian Almquist shell“) is a UNIX/Linux shell that complies with
The C shell (or CSH) is one of the earliest UNIX/Linux shell interpreters, developed by Bill Joy at the University of California, Berkeley, in the late 1970s, inspired by the C programming language. Along with Bash and Korn Shell, these three were the most popular
You might have heard of the Bash shell (or even ZSH or Fish), whose popularity has overshadowed other shells to the point that most Linux users think they are the only shell interpreters available for Linux. But before they came into existence, there was another
The vdir command is an equivalent to the “ls -l -b” command, printing the content in long list format and showing escape characters on the file or directory name, just like the dir command is equivalent to the “ls -C -b” command. Practically, you might
The cd command is a very popular tool for navigating through multiple directory paths in the Linux filesystem, but there is one problem with that, what? A directory with a short path can be easily navigated, but a directory with a long path might become
The ls command is famous for showing the content of the current working directory and has become so popular that it outranks other commands like the dir command. The dir command is rarely used today except for shell script; apart from that, both commands have
The UNIX/Linux CD command is popularly used to move into different directories from the current working directory using the command line (or terminal). When you open your terminal, Linux will use your home directory as the current working directory, so to navigate into a different
The read command is a built-in Linux utility for shell script writers (and for you) to take single line input from the keyboard or from the file descriptor and store it in a variable. The applications for this command are wide ranging, like asking for
The Fish is a modern (friendly interactive shell) program identical to its allies, like Bash and Zsh, but with sprinkles on top. What does that mean? You already know about the Bash shell (because it’s the default login shell for most Linux distros) and the
Bash is the default shell for most of the Linux distributions, but it is not the only one; there are other shell interpreters like ZSH (and Fish) that are available. Kali Linux and macOS Catalina were early adopters of ZSH as the default login shell,
The kernel is the core of the system that bridges the hardware and software layers and smoothly creates interaction between them to transport data. But that’s something you already know, right? So, let us learn about a kernel in this fun way: What is a
To understand the shell, first look at the following picture: The shell is nothing more than a program that carries the user typed commands or instructions from the terminal and converts them into something that the kernel can understand. If you’re using popular operating systems
