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Performing math operations in Bash is a bit different than on other platforms, so it may prevent some future confusion if you learn about these things now. And why not? This tutorial is only six minutes long and there's plenty of worse things you can spend your time on, so check out this Bash tutorial and learn how to perform basic math functions! *Brand New Ansible Course Available* Check out the new course on Udemy! It covers everything you need to get started with Automation. ➜ https://learnlinux.link/ansible *Check out the Linux Shop* In the official shop, you'll find Shirts, hats, stickers, bags and more! ➜ https://merch.learnlinux.tv *5% discount on LPI exam vouchers* After you finish Jay's new course, get 5% off an LPI exam voucher here: ➜ https://learnlinux.link/lpi-voucher *Become a Patron* Show your support for Learn Linux TV on Patreon and get access to exclusive perks! ➜ https://learnlinux.link/patron *Become a Channel Member* Show your support for Learn Linux TV here on YouTube and get access to exclusive perks! ➜ https://learnlinux.link/member *Mastering Ubuntu Server: 4th Edition* Jay's latest book covers everything you need to know in order to master Ubuntu Server. It's available here: ➜ https://ubuntuserverbook.com *Linux Gear and Kits* Check out Jay's choice of hardware products, audio/video equipment, and more. ➜ https://learnlinux.link/amazon *Grab an awesome Pi-powered KVM* Support Learn Linux TV and grab yourself a TinyPilot KVM here: ➜ https://learnlinux.link/tinypilot _Note: Royalties and/or commission is earned from each of the above links_ *Individual Sections* 00:00 - Intro 01:00 - Math is handled differently in Bash 01:28 - The "evaluate expression" command (expr) in Bash 02:37 - Multiplication in Bash (and how to use an escape symbol) 03:48 - Using variables with math expressions 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 Courses from Learn Linux TV* • Linux Essentials Certification Workshop ➜ https://learnlinux.link/lpi-course • Linux Crash Course series ➜ https://linux.video/cc • Learn how to use tmux ➜ https://linux.video/tmux • Learn how to use vim ➜ https://linux.video/vim • Bash Scripting Series ➜ https://linux.video/bash • Proxmox VE Cluster Full Course ➜ https://linux.video/pve • Learn Ansible ➜ https://linux.video/ansible *Learn Linux TV on the Web* • Main site ➜ https://www.learnlinux.tv • Community ➜ https://community.learnlinux.tv • Enterprise Linux Security Podcast ➜ https://enterpriselinuxsecurity.show • The Homelab Show Podcast ➜ https://thehomelab.show • Content Ethics ➜ https://www.learnlinux.tv/content-ethics • Request Assistance ➜ https://www.learnlinux.tv/request-assistance *Disclaimer* Learn Linux TV provides technical content that will hopefully be helpful to you and teach you something new. However, this content is provided without any warranty (expressed or implied). Learn Linux TV is not responsible for any damages that may arise from any use of this content. The person viewing Learn Linux TV's content is expected to follow their best judgement and to make their best decisions while working with any related technology. Always make sure you have written permission before working with any infrastructure. Also, be sure that you're compliant with all company rules, change control procedures, and local laws. #linux #baschscripting #linuxforbeginners