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: Network Troubleshooting, Hardware Troubleshooting, Computer Networking, Desktop Support, System Support, Technical Support, Help Desk Support, Cloud Services, Computer Security Incident Management, Operating Systems, Information Technology, Microsoft Windows, Computer Hardware, Network Security
Beginner · Course · 1 - 3 Months

Skills you'll gain: Model Context Protocol, Claude Code, Vibe coding, Microsoft Copilot, AI Workflows, Anthropic Claude, Tool Calling, GitHub, Context Management, Web Development, Real Time Data, Debugging, AI Security, Artificial Intelligence and Machine Learning (AI/ML), Servers, Prompt Engineering, Application Development, Video Game Development, Generative AI, Software Engineering
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Database Design, IBM DB2, Relational Databases, Databases, MySQL, Database Architecture and Administration, PostgreSQL, Database Management Systems, Data Management, SQL, Data Modeling, Data Manipulation, Data Import/Export, Data Integrity, Data Security, Command-Line Interface
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Apache Hadoop, Apache Spark, PySpark, Apache Hive, Big Data, IBM Cloud, Kubernetes, Docker (Software), Scalability, Data Processing, Development Environment, Distributed Computing, Performance Tuning, Data Transformation, Debugging
Intermediate · Course · 1 - 3 Months

California Institute of the Arts
Skills you'll gain: Game Design, Video Game Development, Storytelling, Conceptual Design, Animation and Game Design, Ideation, Interactive Design, Design, Systems Design, Creativity
Beginner · Course · 1 - 4 Weeks

National Taiwan University
Skills you'll gain: Operations Research, Mathematical Modeling, Process Optimization, Report Writing, Network Model, Applied Mathematics, Process Improvement and Optimization, Business Modeling, Industrial Engineering, Linear Algebra, Numerical Analysis, Operations Management, Applied Machine Learning, Resource Allocation, Case Studies, Engineering Calculations, Algorithms, Feasibility Studies, Project Design, Business Analytics
Beginner · Specialization · 3 - 6 Months

Peking University
Skills you'll gain: Electrophysiology, Neurology, Anatomy, Cell Biology, Molecular Biology, Physiology, Biology, Laboratory Techniques, Scientific Methods, Research
Intermediate · Course · 1 - 3 Months

Workday
Skills you'll gain: Workday (Software), No-Code Development, Branding
Beginner · Course · 1 - 4 Weeks

Università di Napoli Federico II
Skills you'll gain: Presentations, Oral Expression, Business Communication, Business Correspondence, English Language, Verbal Communication Skills, Negotiation, Business Writing, Interviewing Skills, Data Visualization, Writing, Communication, Vocabulary, Social Skills, Language Learning, Interpersonal Communications, Stress Management, Education and Training, Higher Education, Medical Terminology
Intermediate · Specialization · 3 - 6 Months

Yonsei University
Skills you'll gain: TCP/IP, Network Protocols, Open Shortest Path First (OSPF), Network Routing, Cybersecurity, Network Security, General Networking, Intrusion Detection and Prevention, File Transfer Protocol (FTP), Dynamic Host Configuration Protocol (DHCP), Network Architecture, System Configuration, Network Analysis
Beginner · Course · 1 - 3 Months

IIMA - IIM Ahmedabad
Skills you'll gain: Digital Transformation, Business Transformation, Stakeholder Engagement, AI Enablement, Innovation, Organizational Change, Change Management, Business Modeling, Technology Strategies, Organizational Strategy, Artificial Intelligence, Enterprise Architecture, Performance Improvement, Cloud Computing Architecture, Governance, Performance Measurement, Cognitive flexibility, Data-Driven Decision-Making, Workforce Development, Overcoming Objections
Beginner · Specialization · 3 - 6 Months

UNSW Sydney (The University of New South Wales)
Skills you'll gain: Concision, Technical Writing, Requirements Analysis, Business Requirements, Functional Requirement, Writing, User Requirements Documents, System Requirements, Product Requirements, Proofreading, Editing, Grammar, Style Guides, Verification And Validation
Mixed · Course · 1 - 3 Months