Operating system courses can help you learn process management, memory allocation, file systems, and user interfaces. You can build skills in troubleshooting system errors, optimizing performance, and implementing security protocols. Many courses introduce tools like Linux, Windows, and virtualization software, illustrating how these skills are applied in real-world environments.

LearnQuest
Skills you'll gain: Dashboard Creation, Data Ethics, Predictive Modeling, No-Code Development, Model Deployment, Data Visualization, Data Presentation, Responsible AI, Data-Driven Decision-Making, Interactive Data Visualization, Advanced Analytics, Product Improvement, Business Intelligence, Artificial Intelligence and Machine Learning (AI/ML), Business Analytics, Data Cleansing, Data Preprocessing, Business Metrics, Predictive Analytics, Data Architecture
Beginner · Specialization · 1 - 3 Months

Coursera
Skills you'll gain: Thought Leadership, Influencing, Communication, Persuasive Communication, Self-Awareness, Lifelong Learning, Willingness To Learn, Professional Networking, Leadership, Professional Development, Trustworthiness, Personal Development, Branding, Adaptability
Intermediate · Course · 1 - 4 Weeks

Peking University
Skills you'll gain: Mental Concentration, Mindfulness, Meditation & Breathwork, Mental Health, Physical Stamina, Exercise Science, Health Education, Anatomy, Human Musculoskeletal System
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Correlation Analysis, Statistical Visualization, Descriptive Statistics, Statistical Analysis, Statistical Software, Probability & Statistics, Data Analysis, Analysis, R (Software), Systems Of Measurement, Data Quality, R Programming, Statistical Methods, Verification And Validation, Statistical Hypothesis Testing
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Git (Version Control System), Version Control, Collaborative Software, Application Programming Interface (API)
Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Penetration Testing, Vulnerability Assessments, Vulnerability Scanning, Network Protocols, Network Analysis, Network Monitoring, Image Analysis, Virtual Machines, Virtualization and Virtual Machines, Virtual Environment, Open Source Technology, Malware Protection, Command-Line Interface, Software Installation, File Management, Microsoft Windows
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: Model Context Protocol, AI Integrations, Performance Tuning
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Vector Databases, Embeddings, PostgreSQL, Relational Databases, SQL, Query Languages, NoSQL, Node.JS, Data Import/Export, Data Processing, Software Installation
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Test Automation, Performance Testing, Software Testing, API Testing, Test Script Development, Security Testing, Continuous Integration, Test Tools, AI Security, CI/CD, Performance Stress Testing, Regression Testing, AI Integrations, Scalability, Automation, Test Case, Application Programming Interface (API)
Beginner · Course · 1 - 3 Months

Edureka
Skills you'll gain: Development Environment, Web Development, Computer Programming, Program Development
Beginner · Course · 1 - 3 Months

Skills you'll gain: Bash (Scripting Language), Systems Administration, Shell Script, Linux Commands, Linux Administration, Unix Shell, Linux, Unix, Scripting, Scripting Languages, IT Automation, File I/O
Beginner · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Entrepreneurial Finance, Business Planning, Financial Statements, Growth Strategies, Business Ethics, Intellectual Property, Entrepreneurship, Financial Modeling, Income Statement, Engineering Management, Legal Risk, Business Strategies, Organizational Development, Cash Flows, Regulation and Legal Compliance, Fundraising and Crowdsourcing, Risk Analysis, Business Valuation, Financial Planning, Engineering
Build toward a degree
Beginner · Course · 1 - 3 Months