Guides
I've written these to strengthen and organize my knowledge and perhaps help a novice reach their objectives. I often refer, append add new ones as I develop in the field.- 
    
AutoHotKey
Beginner’s guide to getting started, code examples and templates
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Chrome/Edge web extension
Boilerplates for building dynamic web extensions
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Cisco IOS
Configure Cisco networking devices in the terminal
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CLI basics
Know your way around Windows and Linux terminals
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Git
Basic usage for project version control
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Linux
Core commands for effective Linux operation
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VirtualBox
Getting started with virtualization and integrating features
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Windows 10/11 configuration
Crafting the ideal Windows environment