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120. Environment Variables Explained for Node.js & Bash | Parent & Child Process Secrets

In this video, we break down environment variables and how they work in both Bash shells and Node.js applications. You'll learn how to define, export, and access environment variables, and see how they are passed from a parent process to child processes — whether in Bash, Node.js, or even C. We’ll also cover: The difference between shell variables and environment variables How process.env works in Node.js How to pass custom variables to child processes Viewing and editing environment variables Common variables like PATH, HOME, and PS1 Real-world examples using spawn, .zshrc, and getenv in C This is essential knowledge for backend developers, DevOps, and anyone working in a Unix-like environment. Github Link: HireAPI Node Project: https://github.com/leelawebdev/hireapi Instagram:   / leelawebdev   Telegram: http://t.me/LeelaWebDev Facebook Page:   / leelawebdev   Twitter Page:   / leelanarsimha   Linkedin:   / leela-narasimha-reddy-86517948   GitHub: https://github.com/leelanarasimha Youtube Page:    / leelawebdev   If you like my video, please subscribe to my channel. My Playlists: React Complete Course:    • 1. Why use React. Advantages of React over...   Vue Complete Course:    • 1. Introduction to VueJS 3.0. New Features...   Angular NGRX Complete Course:    • 1. Introduction to Angular NGRX State Mana...   Angular Complete Course:    • 1. Angular Introduction. Exploring the dif...   TypeScript Complete Course:    • 1. What is TypeScript Language and why sho...   ES6 Complete Course:    • 1. Introduction to Ecmascript6 (ES6). Diff...   Javascript Complete Course:    • 1. Javascript Introduction. Lets learn in ...   GIT Complete Course:    • 1. Git, Distributed Version Control System...   ESLint Complete Course:    • 1. Introduction to ESLint. Find and fix pr...   RxJS Complete Course:    • 1. Introduction to RxJS. Reactive Extensio...   Declarative Reactive Programming in Angular Complete Course:    • 1. Introduction to Declarative Reactive Pr...   Angular CLI Complete Course Tutorial:    • 1.  Getting Started With Angular CLI. Why ...   Angular UnitTesting Complete Course:    • 1. Introduction to Angular Unit Testing. W...   My Courses Playlist Page:    / leelawebdev   #leelawebdev Join this channel to get access to perks:    / @leelawebdev