CLI Magic - iDoLinux

Bash !$ Trick: Insert the Last Argument of the Previous Command

Command-line efficiency is one of the cornerstones of a productive Linux or Unix workflow. Whether you're administering a system, writing scripts, or simply navigating files, knowing a few powerful shortcuts…

geekvater May 6, 2025

CLI Magic

How to Set a New PATH in Bash, Ksh, and Zsh

The PATH is an essential environment variable in Linux and Unix-like systems. It defines the directories where the shell looks for executable files when you type commands (like ping, useradd,…

geekvater May 1, 2025

CLI Magic

How to Set a New PATH in csh and tcsh

The PATH environment variable plays a critical role in Unix-like systems, telling the shell where to look for executable files. When you type a command, the shell searches the directories…

geekvater April 30, 2025

CLI Magic

How to Use the echo Command in Shell Scripting

The echo command is one of the most commonly used commands in Unix-like operating systems. It serves the purpose of printing text to the standard output (stdout), and it's an…

geekvater April 29, 2025

How to Redirect the Standard Output (stdout) and the Standard Error (stderr) to Multiple Files

CLI Magic

How to Redirect stdout and stderr in Bash (Complete Guide)

Redirecting output streams is a core skill for any Linux or Unix user. Whether you are debugging scripts, monitoring long-running processes, or automating server tasks, knowing how to redirect stdout…

geekvater April 29, 2025

How to Set the Default Text Editor in csh and tcsh

CLI Magic

How to Change the Default Editor in csh and tcsh Using VISUAL and EDITOR

Choosing the right default text editor is an important step when customizing a Unix-like system. Whether you are editing configuration files, writing scripts, or maintaining servers, having your preferred editor…

geekvater April 28, 2025

CLI Magic

Understanding the Difference Between .bashrc and .bash_profile

When working with Unix-like systems, it's important to understand the role of different configuration files that influence the shell’s behavior. Two critical files for Bash users are .bashrc and .bash_profile.…

geekvater April 28, 2025

CLI Magic

How to Grant Limited Root Access to a Normal User in Linux

In Linux system administration, there are many situations where you might want to allow a regular (non-root) user to execute a few specific commands that normally require elevated privileges. Instead…

geekvater April 28, 2025

CLI Magic

The Ultimate Guide for Displaying Directory Structures in Linux

When working in Linux, tools like the cp command, find command, apt command, techniques for bulk rename files, and user management utilities such as usermod and chown are part of…

geekvater March 31, 2025

The Linux cp Command: Practical Examples

CLI Magic

How to Use the cp Command in Linux to Copy Files and Directories

Copying files and directories is one of the most common tasks when working in Linux. The cp command (short for copy) allows users to duplicate files, create backups, and organize…

geekvater March 31, 2025