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.

Skills you'll gain: Hardware Architecture, Data Storage, Computer Systems, Memory Management
Beginner · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: Credit Risk, Risk Modeling, Financial Modeling, Risk Analysis, Lending and Underwriting, Commercial Lending, Financial Statement Analysis, Financial Analysis, Risk Management, Corporate Finance, Working Capital, Balance Sheet, Financial Statements, Bankruptcies, Cash Flows
★ 4.8 (19) · Beginner · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Amazon Web Services, AWS Identity and Access Management (IAM), Amazon CloudWatch, Amazon DynamoDB, Database Management, AWS CloudFormation, Database Management Systems, Infrastructure as Code (IaC), Amazon Elastic Compute Cloud, Cloud Infrastructure, Databases, Cloud Hosting, Identity and Access Management, Amazon S3, Cloud Deployment, Cloud Engineering, Cloud Computing, Cloud Management, Cloud Development, Cloud Solutions
Beginner · Course · 1 - 4 Weeks

National Academy of Sports Medicine
Skills you'll gain: Stress Management, Cognitive Behavioral Therapy, Nutrition and Diet, Resilience, Overcoming Obstacles, Mental and Behavioral Health, Health And Wellness Coaching, Psychology, Dealing With Ambiguity, Self-Discipline
★ 4.8 (6) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Web Presence, Instagram, Goal Setting, Target Audience, Prioritization, Driving engagement, Visionary, Target Market, Community Development, Content Scheduling, Social Media Content, Entrepreneurship, Business Planning, Smart Goals, Business Priorities, Scalability, Content Strategy, Telecommuting, Marketing, Business
Beginner · Specialization · 1 - 3 Months
Skills you'll gain: Computer Security Incident Management, Incident Management, Incident Response, Security Management, Threat Management, Security Strategy, Event Monitoring, Security Information and Event Management (SIEM), Enterprise Security, IT Automation, Automation, Systems Integration
★ 4.9 (9) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Technical Support and Services, Help Desk Support, Desktop Support, End User Training and Support, Technical Support, Software Documentation, Technical Documentation, Hardware Troubleshooting, Issue Tracking
★ 4.9 (11) · Beginner · Course · 1 - 4 Weeks

American Council on Exercise
Skills you'll gain: Mental Health, Meditation & Breathwork, Mindfulness, Nutrition and Diet, Community Mental Health Services, Mental Concentration, Mental and Behavioral Health, Nutrition Education, Community Health, Preventative Care, Health And Wellness Coaching, Health Education, Behavioral Health, Stress Management, Exercise Science, Exercise Therapy, Respiration
★ 4.6 (57) · Intermediate · Course · 1 - 3 Months

Duke University
Skills you'll gain: CI/CD, Continuous Integration, Continuous Deployment, Automation, GitHub, YAML, Event-Driven Programming, Git (Version Control System), Code Reusability, Software Testing
★ 3.2 (23) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Microsoft Visio, Process Flow Diagrams, Diagram Design, Collaborative Software, Process Design, Process Modeling, Data Visualization, Process Mapping, Workflow Management, Business Workflow Analysis, Business Process Automation, Graphic and Visual Design Software, Process Analysis, Organizational Structure, Graphic and Visual Design, Collaboration, Data Integration
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cyber Threat Intelligence, Vulnerability Assessments, Incident Response, Cyber Security Assessment, Vulnerability Scanning, Cybersecurity, Threat Modeling, Threat Detection, Application Security, Malware Protection, Network Analysis, Encryption
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Prompt Engineering, GitHub Copilot, Docker (Software), ChatGPT, Containerization, Google Gemini, OpenAI, Development Environment, GitHub, Integrated Development Environments, Git (Version Control System), Debugging
★ 4.8 (18) · Intermediate · Course · 1 - 3 Months