Quick Reference

Short, practical guides you can look up mid-task. No fluff — just the commands you need and when to use them.

Guides

• File Permissions Quick Guide for macOS — chmod, chown, and chgrp on macOS: common patterns, octal numbers, real-world scenarios, and a decision tree.
• Managing Listening Ports on macOS — How to see what's listening on your ports, investigate unknown processes, and cleanly stop unwanted services.
• MkDocs — Everything You Need, Nothing You Don't — Quickstart, config reference, useful plugins, deployment options, and a CLI cheat sheet.
• VitePress — Project setup, config, markdown extensions, code annotations, custom containers, code groups, and deployment.
• Docker Cheatsheet — Images, containers, Compose, volumes, networks, cleanup, and a quick-reference table.
• Vim Cheatsheet — Modes, navigation, editing, search, splits, macros, and a quick-reference table.
• Git Cheatsheet — Everyday Git commands, branching, rebasing, stashing, and a quick-reference table.
• Mermaid Cheatsheet — Flowcharts, sequence diagrams, state diagrams, class diagrams, ER diagrams, and styling syntax.