Uploaded May 2025 | Updated September 2026, 2 weeks ago

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⌚ TIMESTAMPS
00:00 Introduction
03:10 Double Parentheses
08:40 Using Backticks (expr)
10:10 Let Construction
13:45 Arithmetic Operations available with Let Command


📺 RELATED VIDEOS
Bash Shell Scripting Tutorial: youtube.com/playlist?list=PLnisUReSm0-n4vwT7Dzjhw5Vjz32clx6N


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1. Introduction: youtu.be/Yw9H5hDjDkQ
2. Bash Scripting: youtu.be/ZCVw6GDon1Y
3. Linux Filesystem and File Permissions: youtu.be/R_H-reTQAI4
4. Absolute vs Relative Path: youtu.be/gL992hIVeaU
5. Hello World! Bash Script: youtu.be/UaYyDi564Tk
6. Echo Command: youtu.be/F5RzU1dF36g
7. Comments: youtu.be/95CCR0ztjl0
8. Quotes: youtu.be/r6b5fH5ZDh4
9. Variables: youtu.be/2rmWqaLltaY
10. Command Substitution: youtu.be/3JNRtVFE1VA
11. Command Line Arguments: youtu.be/pRREARSs5sw
12. Read User Input: youtu.be/94xEtHOBhfM
13. Date Command: youtu.be/KSgTL3ER5Kc
14. Sleep Command: youtu.be/t5_43BpnFmw
15. Arithmetic Operators: youtu.be/snaLTsqfPmY

Bash (Bourne Again Shell) is a command line interpreter that typically runs in a text window where user can interpret commands to carry out various actions. The combination of these commands as a series within a file is known as a Shell Script. Bash can read and execute the commands from a Shell Script.

Install Vim (Vi Improved) Text Editor on Ubuntu: youtu.be/zr17y9YHopQ

Install Ubuntu on Windows 11 (WSL) | Windows Subsystem for Linux with GUI Support: youtu.be/NXJjutYp4x8

More Tutorials on Ubuntu: youtube.com/playlist?list=PLnisUReSm0-nc0N5IlO0QoJd78oBhlHoX

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More Tutorials for Windows 11: youtube.com/playlist?list=PLnisUReSm0-n126_vs1cXCCGhyzLTIVvj
Install Java JDK 19 on Windows 11: youtu.be/r9CX3iW9x5Q

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More Tutorials for VMWare Player: youtube.com/playlist?list=PLnisUReSm0-ncHac3_ZAsE5g7nWy88Qta
Install Windows 11 on VMware Player: youtu.be/3HBSuoVOpt0
Install macOS 12 Monterey on VMware Player: youtu.be/WLMTAqZ_3xU
Install macOS 13 Ventura on VMware Player: youtu.be/CeSqdrf1WOg
Install Ubuntu 22.04 LTS on VMware Player: youtu.be/LvYaZMV-ZlY

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More Tutorials on macOS: youtube.com/playlist?list=PLnisUReSm0-kC89Ml7Wm5kPdXvgbqndUp
Download and Install NodeJS, HomeBrew (Package Manager) and N (Version Manager) on macOS: youtu.be/O6MKC5TgQao
Install Java JDK and OpenJDK on macOS 13 Ventura: youtu.be/F5HTPakOdi4

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VirtualBox playlist: youtube.com/playlist?list=PLnisUReSm0-lwVz0CcHg9_NlMY-Vtqd8Y
Install Ubuntu 22.04 LTS in VirtualBox running on Windows 11: youtu.be/C5mJ2SwmN0w
Install macOS Monterey in VirtualBox running on Windows 11: youtu.be/WGrBHjDFVIw
Install VirtualBox Guest Additions on Ubuntu 22.04 Guest/Virtual Machine: youtu.be/mGUhjd3D2ZY
Install Java (JDK) On Ubuntu 22.04 LTS: youtu.be/SMfO5oXNp2g
Install Node.js on Ubuntu 22.04 LTS | Install npm: youtu.be/0D1MJf-oscU
Install Windows 11 on VirtualBox: youtu.be/OZbVZdj2c0Q
Make Windows 11 Full Screen in VirtualBox: youtu.be/ahOaKWR8RdA
Install Ubuntu 22.10 on VirtualBox in Windows 11: youtu.be/yIWP2js-JoQ

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More on Android App Development:
Create Login and Register Android App with Firebase Authentication: 1️⃣youtube.com/playlist?list=PLnisUReSm0-nUXkQSZC1lAUT0zJ8JIsrF | 2️⃣youtube.com/playlist?list=PLnisUReSm0-nFzNqZh8twEgMxpRn05XgR
Create State-District Dependent (Nested) Android Spinners | DropDown List: youtube.com/playlist?list=PLnisUReSm0-lBZYsxE9XB8cn0Ue8AyRzM
Android Basics: youtube.com/playlist?list=PLnisUReSm0-mIQhfDMtri0X13RuLP5dqj

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