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.

LearnKartS
Skills you'll gain: Spring Framework, Java, Spring Boot, Java Programming, Hibernate (Java), Web Development, Web Servers, Web Components, Servers, Application Deployment, Databases
Intermediate · Course · 1 - 3 Months

Lund University
Skills you'll gain: Radiation Therapy, Medical Equipment, Materials science, Semiconductors, electromagnetics, Physics, Emerging Technologies, Laboratory Research, General Science and Research
Intermediate · Course · 1 - 3 Months

Northwestern University
Skills you'll gain: Peer Review, Employee Onboarding, Professional Networking, Quick Learning, Organizational Structure, New Hire Orientations, Professional Development, Relationship Building, Rapport Building, Action Oriented, Planning, Professionalism, Adaptability, Personal Development
Beginner · Course · 1 - 4 Weeks

Aptly
Skills you'll gain: Interviewing Skills, Professional Networking, Job Evaluation, Goal Setting, Business Writing, Job Analysis, Personal Development, Professional Development, Writing, Applicant Tracking Systems, Professionalism, Self-Awareness, Verbal Communication Skills, Decision Making, Storytelling, Communication, Follow Through, Compensation and Benefits
Beginner · Course · 1 - 3 Months

American Psychological Association
Skills you'll gain: Stress Management, Resilience, Mental Health, Physiology, Psychology, Scientific Methods, Mental Health Diseases and Disorders, Chronic Diseases, Immunology
Beginner · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Cryptography, Vulnerability Scanning, Kubernetes, Cloud Infrastructure, Cyber Security Strategy, Email Security, Virtualization, SQL
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Cloud Deployment, Cloud Computing, Cloud Services, Cloud Infrastructure, Scalability, Cloud Platforms, Public Cloud, Software As A Service, Infrastructure As A Service (IaaS), Cloud Management, Platform As A Service (PaaS), Private Cloud, Hybrid Cloud Computing
Mixed · Course · 1 - 4 Weeks

Universiteit Leiden
Skills you'll gain: Sustainable Development, Sustainable Design, Sustainable Systems, Environment and Resource Management, Environmental Issue, Natural Resource Management, Waste Minimization, Environmental Science, Pollution Prevention, Resource Utilization, Materials science, Supply And Demand, Social Studies, Inventory Management, Consumer Behaviour
Beginner · Course · 1 - 3 Months

Skills you'll gain: Growth Mindedness, Time Management, Constructive Feedback, Sales Development, Collaboration, Prioritization, Teamwork, Tenacity, Personal Development, Optimism, Team Collaboration, Stress Management, Persistence, Sales, Salesforce, Software As A Service, Accountability
Beginner · Course · 1 - 4 Weeks

The University of Sydney
Skills you'll gain: Social Media Analytics, Web Presence, Social Media Content, Professional Networking, Data Ethics, Analytics, Drive Engagement, Content Creation, Ethical Standards And Conduct, Community Development, Information Privacy
Mixed · Course · 1 - 3 Months

Illinois Tech
Skills you'll gain: Database Design, Database Systems, Relational Databases, Database Software, Databases, Database Application, Database Management, Database Management Systems, Database Development, SQL, MySQL, Database Theory, Database Architecture and Administration, Transaction Processing, Stored Procedure, Data Modeling, Unified Modeling Language, Data Integrity, Query Languages, Application Development
Build toward a degree
Beginner · Specialization · 3 - 6 Months

LearnKartS
Skills you'll gain: Risk Management, Project Risk Management, Risk Analysis, Risk Management Framework, Risk Appetite, Communication Planning, Stakeholder Management, Project Management, Conflict Management, Stakeholder Engagement, Stakeholder Analysis, Organizational Structure
Intermediate · Course · 1 - 4 Weeks