Nested Loops for PerformanceTLDR; Nested loops are a programming construct providing increased complexity and ability to process multi-dimensional data, but at expense of slow performance and difficulty in debugging. To optimize, avoid too many nested loops, use early exit conditions, and use appropriate data structures. Debugging can be done with print statements, debugger,… Read More »Optimize & Debug Nested Loops for Performance
tar, gzip or bzip2 CommandIn this blog, we’ll explore the art of compressing and uncompressing files in bash. This is a crucial skill for who wants to optimize their file management and space utilization on their systems. Whether you’re working on a Linux or macOS system, bash provides a convenient and versatile platform for… Read More »Get Better Compression Ratios with tar, gzip or bzip2 Command
Arguments and OptionsBash is the default shell for Linux & macOS. It’s an interpreted language providing users with an interface to the OS. Learning how to use command line arguments & options in Bash is important for power & advanced users. This blog explains what they are & how to use them… Read More »Learn Bash Command Line Arguments and Options
Absolute & Relative PathsBash is a Unix shell and command language that is widely used for shell scripting and programming on Linux and other Unix-based operating systems. Understanding the difference between absolute and relative paths in Bash is essential for anyone working with the terminal and shell scripts. In this blog, we’ll explore… Read More »Understanding the Difference Between Absolute & Relative Paths
Bulk Renaming Files with a Bash ScriptPrerequisites Before diving into the topic, it is important to have a basic understanding of bash scripting. You’ll also need a Unix-based system, such as Linux or macOS. On Windows you can also use WSL2 or a Linux Vagrant Box, which is also a safe way to test your script… Read More »Automate Bulk Renaming Files with a Bash Script
Mundane Tasks in Linux TerminalYou likely perform many mundane tasks in the terminal on a regular basis. These tasks can range from renaming files in bulk to compiling code, to even running complex scripts. Doing these tasks repeatedly can be time-consuming and boring. However, with the power of the terminal and some scripting skills,… Read More »Automating Mundane Tasks in Linux Terminal
tee Command for Redirecting Terminal OutputsThe tee command is a fundamental tool for Linux users. This command allows you to capture and manipulate the output of other commands and redirect it in various ways. This makes it a powerful tool for logging, debugging, and scripting. In this article, we’ll explore the basics of the tee… Read More »Use tee Command for Redirecting Terminal Outputs
History CommandThe bash history command is a powerful tool that allows users to keep track of their command-line activities, making it easier to repeat frequently used commands, save time, and avoid errors. Prerequisites Before diving into the bash history command, it’s essential to understand the basics of the command line. Additionally,… Read More »Search & Repeat Commands in Bash with History Command
Terminal vs Shell vs Bash: What’s the Difference?If you are a Linux user or a system administrator, you may have come across the terms Terminal, Shell, and Bash. These three terms are often used interchangeably, but they are not the same thing. In this blog, I will clarify the differences between Terminal, Shell, and Bash and how… Read More »Terminal vs Shell vs Bash: What’s the Difference?
Special Characters and Escape-keys in BashEscape keys are a vital component of the Unix shell. They are used to specify special characters in the terminal, and they are a crucial aspect of the bash scripting language. Understanding escape keys and how to use them effectively can greatly enhance your shell scripting abilities and make your… Read More »Understand Special Characters and Escape-keys in Bash