Learn Something New! - How To Write Bash Scripts In Linux - Complete Guide (Part 3 - Variables)

Dive into Bash variables with this episode of LearnLinuxTV’s complete Bash Scripting course! This 18-episode series is your step-by-step guide to mastering Bash scripting on Linux. In this class, we explore how variables work in Bash, how to define and use them, and why they’re essential for building powerful and flexible scripts. Whether you’re managing Linux servers or just starting your scripting journey, understanding variables is a critical skill you’ll use again and again. *Brand LPI Linux Essentials Course Available* Check out the new course on Udemy! ➜ https://learnlinux.link/lpi-course ➜ https://learnlinux.link/lpi-course *🕐 Time Codes* 00:00 - Intro 00:52 - Declaring a variable in Bash 01:45 - How to reference a variable in Bash 06:25 - Using variables within Bash Scripts 16:44 - How to use the output of a command within a Bash Script 22:23 - How to view the environment variables within your Linux session *OTHER BASH SCRIPTING SERIES EPISODES* - Class 01 ➜ Introduction: https://linux.video/bash1 - Class 02 ➜ Hello World: https://linux.video/bash2 - Class 03 ➜ Variables: https://linux.video/bash3 - Class 04 ➜ Math Functions: https://linux.video/bash4 - Class 05 ➜ If Statements: https://linux.video/bash5 - Class 06 ➜ Exit Codes: https://linux.video/bash6 - Class 07 ➜ While Loops: https://linux.video/bash7 - Class 08 ➜ Universal Update Script: https://linux.video/bash8 - Class 09 ➜ For Loops: https://linux.video/bash9 - Class 10 ➜ Where To Store Your Scripts: https://linux.video/bash10 - Class 11 ➜ Data Streams: https://linux.video/bash11 - Class 12 ➜ Functions: https://linux.video/bash12 - Class 13 ➜ Case Statements: https://linux.video/bash13 - Class 14 ➜ Scheduling Jobs (Part 1): https://linux.video/bash14 - Class 15 ➜ Scheduling Jobs (Part 2): https://linux.video/bash15 - Class 16 ➜ Arguments: https://linux.video/bash16 - Class 17 ➜ Building a Backup Script: https://linux.video/bash17 - Class 18 ➜ Closing: https://linux.video/bash18*🎓 Full Linux Courses* • Linux Crash Course ➜ https://linux.video/cc • Netdata ➜ https://linux.video/netdata • tmux ➜ https://linux.video/tmux • vim ➜ https://linux.video/vim • Bash Scripting ➜ https://linux.video/bash • Proxmox VE ➜ https://linux.video/pve • Ansible (Paid) ➜ https://learnlinux.link/ansible • LPI Linux Essentials (Paid) ➜ https://learnlinux.link/linux-essentials *🎓 More About Learn Linux TV* • Main site ➜ https://www.learnlinux.tv • Community Forums ➜ https://community.learnlinux.tv • Github Account ➜ https://github.com/LearnLinuxTV • Content Ethics ➜ https://www.learnlinux.tv/content-ethics • Request Paid Assistance ➜ https://www.learnlinux.tv/request-assistance _Note: Some links mentioned here are affiliate links. If you purchase through them, it helps support Learn Linux TV at no additional cost to you._ ⚠️ Use Content Responsibly Learn Linux TV shares technical content intended to teach and help you, but it comes with no warranty. The channel is not liable for any damages from its use. Always ensure you have proper permissions, follow company policies, and comply with all applicable laws while working with infrastructure. #linuxtutorial #linux #ubuntu