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
🚀 Quick Overview The two commands are identical, and you can consider that “dir” is equivalent to the “ls -Cb” command. In the Linux world, two common commands, “ls” and “dir“, replicate each other so well that most Linux users think one of them is
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
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
If you have been using Linux for a while, then you have definitely spotted this “#! /bin/bash” line at the beginning of an shell script. What is Shebang (#! /bin/bash) in Linux Shell Script The “#! /bin/bash” on Linux, famously known as shebang or hashbang,
While writing shell script, you might get stuck in the situation where you want to redirect a block of lines from your script to interactive commands like sed, cat, ssh, or ftp. The purpose of this redirection might vary from situation to situation. For example,
Like other programming languages, bash provides you with the option to ignore a single line, inline, or a block of lines from execution. The comments always received the least attention due to their simplicity but played a very important role while being used in a
The “$?” is a built-in variable that your shell uses to store the exit status code of the last executed command in integer format and remains unchanged unless the next command is executed. Using this exit status code, you can debug the problem that occurred
The unset command is a built-in Linux command used for flushing the value of variables or functions during program execution. Tutorial Details Description Unset Difficulty Level Low Root or Sudo Privileges No OS Compatibility Ubuntu, Manjaro, Fedora, etc. Prerequisites unset Internet Required No Syntax of
