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Linux Commands
Essential Linux commands for file management, processes, networking, and system administration
Bash Scripting
Variables, loops, conditionals, functions, and scripting patterns for Bash shell
Vim Editor
Vim modes, navigation, editing, search, and plugin essentials
SSH Commands
SSH connections, key management, SCP/SFTP transfers, tunnels, and security hardening
Git Commands
Complete Git reference: init, branching, merging, rebasing, stashing, and remote operations
JavaScript ES6+
Modern JavaScript syntax: destructuring, arrow functions, promises, modules, and built-in methods
Python Essentials
Python syntax, data structures, comprehensions, built-in functions, and common patterns
Regular Expressions
Regex syntax, character classes, quantifiers, groups, lookaheads, and common patterns
SQL Reference
SELECT, JOIN, GROUP BY, subqueries, indexes, and database manipulation commands
TypeScript Essentials
Types, interfaces, generics, utility types, type guards, and advanced TypeScript patterns
NPM Commands
Package management: install, update, publish, scripts, audit, and configuration
Redis Commands
Strings, hashes, lists, sets, sorted sets, pub/sub, streams, and transactions
MySQL Reference
MySQL queries, joins, indexes, user management, and database administration
React Hooks
useState, useEffect, useRef, useMemo, React 19 hooks, and custom hook patterns
CSS Flexbox
Flex container and item properties, alignment, ordering, and common layout patterns
CSS Grid
Grid container and item properties, template areas, auto-placement, and responsive grids
HTTP Status Codes
Complete HTTP status code reference: 1xx informational through 5xx server errors
Docker Commands
Docker CLI, container management, images, volumes, networks, and Docker Compose
Kubernetes Commands
kubectl essentials: pods, deployments, services, secrets, scaling, debugging, and RBAC
Apache HTTP Server
Virtual hosts, modules, SSL, .htaccess, reverse proxy, and performance tuning
Nginx Server
Server blocks, reverse proxy, SSL, load balancing, caching, and rate limiting
AWS CLI
S3, EC2, IAM, Lambda, ECS, CloudFormation, and essential AWS CLI commands
Terraform Commands
Infrastructure as Code: init, plan, apply, state management, workspaces, and modules
Markdown Syntax
Headings, formatting, links, images, code blocks, tables, and GitHub-flavored markdown
VS Code Shortcuts
Essential VS Code keyboard shortcuts for editing, navigation, debugging, and extensions