Shell Scripting

chmod 755: Understanding File Permissions

What is chmod 755? The command `chmod 755` is a vital tool in Unix and Unix-like operating systems, used to set specific permissions on files...

Bash String Comparison: Comparing Strings in Shell Scripts

String comparison is a crucial operation in bash scripting, essential for tasks ranging from simple conditional checks...

Bash Increment Variable: Increment and Decrement Variables

In the world of bash scripting, the ability to increment variables is a fundamental skill. Whether you're...

Bash Functions in Shell Scripts

Functions are a powerful feature in bash scripting that allow you to encapsulate and reuse code. By...

Bash Comments: Enhance Script Readability

Comments are an essential aspect of writing clean, maintainable, and understandable bash scripts. They provide valuable insights...

DD Command in Linux

The dd command is a powerful and versatile utility in Unix-like operating systems, including Linux. Often referred...

Bash Shebang: Using Script Interpreters

The shebang, also known as 'hashbang' or pound-bang, is a crucial element in Unix-like operating systems, including...

Bash: Concatenate Strings Easily with Our Simple Guide

As we have iterated countless times in our previous Bash guides, Bash is a very powerful shell...

How to Change a Git Commit Message

What is a Git Commit Message Once you get deep into programming and software...

VI Save and Exit: Essential Commands in Unix’s Text Editor

What is VI? VI, short for "Visual Interface," is a powerful text editor that...

SED Replace: How to Manipulate Text in Unix

So, what is SED Replace? SED stands for Stream Editor. This is a powerful...

LS Command: How to List Files in Unix Systems

What is the LS Command? If you occasionally use Linux and Unix based operating...

How to Refine your Search Results Using Grep Exclude

What is Grep Exclude? Grep exclude is a powerful feature of the grep command...

Bash Script Example: Guide for Beginners

Bash scripting is a powerful tool for automating tasks in Unix-based systems, including Linux and macOS. Whether...

Git Amend Commit Message: Fixing Your Last Commit

Have you ever made a typo or written a completely wrong message on your last commit? Well...

Enable SSH Ubuntu: How to Securely Access your Remote Server

Learning how to enable SSH (Secure Shell) on Ubuntu is a crucial step...

Using the CP Command to Copy A Directory on Linux

Copying directories is a vital task in Linux systems administration and everyday use. Whether you're backing up...

How to Compress Files Using the Linux Zip Command

The Linux zip command is an essential tool for file compression and archiving in Unix-based systems. Whether...