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.

University of Colorado Boulder
Skills you'll gain: Sustainable Business, Corporate Sustainability, Sustainable Technologies, Sustainable Development, Sustainable Design, Sustainable Systems, Environmental Social And Corporate Governance (ESG), Supply Chain Management, Supply Chain Planning, Supply Chain, Supply Chain Systems, Transportation, Supply Chain, and Logistics, Case Studies, Logistics, Business Technologies, Logistics Management, Climate Change Mitigation, Corporate Strategy, Transportation Operations, Waste Minimization
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), GitHub, Git (Version Control System), Version Control, CI/CD, File I/O, Object Oriented Programming (OOP), Test Automation, Test Data, Unit Testing, Test Case, Software Testing, Test Script Development, Programming Principles, Web Development Tools, Code Reusability, Test Execution Engine, Javascript, Browser Compatibility, Scripting
Beginner · Specialization · 3 - 6 Months

Dartmouth College
Skills you'll gain: Social Justice, Energy and Utilities, Social Impact, Sustainable Development, Social Sciences, Environmental Issue, Socioeconomics, Community Organizing, Community Development, Diversity Equity and Inclusion Initiatives, Systems Thinking, Diversity Awareness, Advocacy, Environmental Policy, Policy Analysis, Climate Change Mitigation
Beginner · Course · 1 - 4 Weeks

Universidad de los Andes
Skills you'll gain: Technical Analysis, Financial Trading, Financial Market, Performance Measurement, Capital Markets, Market Trend, Investment Management, Investments, Securities Trading, Applied Machine Learning, Market Data, Machine Learning Methods, Return On Investment, Statistical Machine Learning, Financial Analysis, Machine Learning Algorithms, Model Evaluation, Machine Learning, Classification Algorithms, Financial Data
Intermediate · Course · 1 - 4 Weeks

Immersify
Skills you'll gain: Endocrinology, Nephrology, Urology, Gynecology, Physiology, Sensory Systems Analysis, Anatomy, Obstetrics And Gynecology, Neurology, Immunology, Pathology, Health Assessment
Beginner · Course · 1 - 3 Months

Skills you'll gain: Medical Billing, Medical Billing and Coding, Claims Processing, Medical Coding, Revenue Cycle Management, ICD Coding (ICD-9/ICD-10), CPT Coding, Medical Office Procedures, Medical Terminology, Adjudication
Beginner · Course · 1 - 4 Weeks

Pragmatic AI Labs
Skills you'll gain: Prompt Engineering, Hugging Face, Fine-tuning, Model Deployment, MLOps (Machine Learning Operations), CI/CD, Continuous Deployment, Model Evaluation, Applied Machine Learning, Continuous Integration, Transfer Learning, Agentic Workflows, Data Preprocessing, Generative AI Agents, Model Training, Large Language Modeling, Image Analysis, Rust (Programming Language), Model Optimization, AI Orchestration
Beginner · Specialization · 3 - 6 Months

Simplilearn
Skills you'll gain: LangChain, AI Workflows, LLM Application, Generative AI, Large Language Modeling, Prompt Patterns, Hugging Face, Prompt Engineering, Embeddings, AI Security, AI Integrations, Model Deployment, Automation, Memory Management
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Data Entry, Data Validation, Data Integrity, Data Capture, Data Processing, Data Management, Spreadsheet Software
Beginner · Course · 1 - 4 Weeks

ESSEC Business School
Skills you'll gain: Sustainable Business, Corporate Sustainability, Sustainable Development, Sustainable Systems, Business Transformation, Organizational Change, Waste Minimization, Systems Thinking, Pollution Prevention, Environmental Issue, Social Impact, Business Modeling, Environment and Resource Management, Innovation, Product Lifecycle Management, Stakeholder Engagement, Case Studies
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Kinesiology, Rehabilitation, Exercise Science, Human Musculoskeletal System, Sports Medicine, Exercise Therapy, Physical Therapy, Neurology, Physiology, Geriatrics
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Human Resources Management and Planning, Human Resources, Human Resource Strategy, Employee Performance Management, Recruitment, Workforce Development, Performance Management, People Management, Staff Management, Performance Appraisal, Culture Transformation, Team Performance Management, Performance Review, People Development, Employee Training, Full Cycle Recruitment, Organizational Change, Recruitment Strategies, Delegation Skills, Organizational Development
Mixed · Course · 1 - 4 Weeks