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LESSON 8.2How to Perform Arithmetic Expansion in Bash

LESSON 8.3How to Evaluate and Calculate Arithmetic Expressions in Bash

MODULE 1
Introduction
MODULE 2
Self–Help
MODULE 3
Running Scripts
MODULE 4
Editing Commands and Scripts
- LESSON 4.1How to Use Bash Readline to Edit Commands and Scripts
- LESSON 4.2How to Edit Bash Scripts in Nano and Vim
MODULE 5
Copying and Pasting
MODULE 6
Listing Files
MODULE 7
Text
MODULE 8
Math
MODULE 9
Time
MODULE 10
Output
MODULE 11
JSON
MODULE 12
XML
MODULE 13
Images
MODULE 14
Archiving and Compression
MODULE 15
SSH
MODULE 16
From the Terminal to Production
MODULE 17
Fail–Fast Settings
MODULE 18
Version Control
MODULE 19
Quality Assurance
MODULE 20
Signals
MODULE 21
Autocompletion
MODULE 22
Summary and Changelog
- LESSON 22.1Summary
- LESSON 22.2Changelog

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LESSON 8.4Best Practices for Using Variables in Bash Arithmetic

How to Evaluate and Calculate Arithmetic Expressions in Bash