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.

National Taiwan University
Skills you'll gain: Civil Law, Court Systems, Legal Proceedings, Litigation and Civil Justice, Case Law, Law, Regulation, and Compliance, Governance, Social Justice, Social Sciences, Gerontology, Political Sciences, Regulation and Legal Compliance, Economic Development
★ 4.6 (32) · Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Hypertext Markup Language (HTML), HTML and CSS, Web Design, Web Content, Web Design and Development, Web Development, Web Presence, Information Architecture
★ 4.7 (331) · Beginner · Guided Project · Less Than 2 Hours

University of Colorado System
Skills you'll gain: Risk Management Framework, Infrastructure Security, Cyber Security Policies, Continuous Monitoring, Cyber Security Assessment, Security Management, Cyber Governance, Cybersecurity, Cyber Security Strategy, Cyber Risk, Cyber Attacks, Dependency Analysis
★ 4.6 (181) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Logo Design, Adobe Illustrator, Typography, Layout Design, Graphic and Visual Design, Graphic Design, Design Reviews, Branding, Design Elements And Principles, Design, Game Design, Computer Graphic Techniques, Computer Graphics, Color Theory, Image Quality, Scalability
★ 4.6 (16) · Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Ruby (Programming Language), File I/O, Object Oriented Programming (OOP), Ruby on Rails, Debugging, Test Tools, Application Design, Code Reusability, Programming Principles, Test Case, Software Documentation, Development Environment, Integrated Development Environments, Computer Programming, Data Structures, Apple Xcode, Web Development, Software Installation, Technical Documentation, Computational Logic
★ 4.4 (18) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Innovation, Organizational Change, Change Management, Corporate Sustainability, Corporate Strategy, Business Transformation, Organizational Strategy, Business Leadership, Process Development, Organizational Development, Business Strategies, Growth Strategies, Culture Transformation, Organizational Structure, Product Development, Customer Analysis, Consumer Behaviour, Decision Making
★ 4.8 (102) · Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: HVAC, Building Services Engineering, Architectural Engineering, Building Design, Energy and Utilities, Climate Change Mitigation, Systems Engineering, Mechanical Engineering, Pump Stations, Systems Design, Civil and Architectural Engineering, Construction, Architecture and Construction, Engineering Design Process, Design Strategies, Mathematical Modeling
Advanced · Specialization · 3 - 6 Months

University of California, Irvine
Skills you'll gain: Stakeholder Management, Stakeholder Engagement, Work Breakdown Structure, Conflict Management, Project Planning, Project Scoping, Organizational Structure, Project Management, Planning, Project Documentation, Stakeholder Communications, Stakeholder Analysis, Scope Management, Leadership and Management, Influencing
★ 4.9 (69) · Mixed · Course · 1 - 3 Months

University of Colorado System
Skills you'll gain: Proposal Development, Sustainable Development, Stakeholder Engagement, Corporate Sustainability, Sustainable Business, Proposal Writing, Social Impact, Budgeting, Budget Management, Financial Analysis, Feasibility Studies, Case Studies, Cost Benefit Analysis
★ 4.8 (64) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Dynamic Host Configuration Protocol (DHCP), Virtual Networking, Network Administration, Network Troubleshooting, System Configuration, TCP/IP, Computer Networking, Local Area Networks, General Networking, Virtual Environment, Servers, Networking Hardware, Network Engineering, Simulations, Configuration Management, Information Technology, Verification And Validation
★ 4.5 (91) · Intermediate · Guided Project · Less Than 2 Hours

Coursera
Skills you'll gain: SQL, PostgreSQL, Query Languages, Database Management, Database Systems, Data Manipulation
★ 4.7 (41) · Advanced · Guided Project · Less Than 2 Hours

University of California, Davis
Skills you'll gain: Employee Coaching, Coaching, Organizational Change, Key Performance Indicators (KPIs), Management Training And Development, Team Performance Management, Employee Performance Management, Performance Metric, Organizational Development, Performance Management, Performance Analysis, Leadership and Management, Organizational Effectiveness, Process Development, Performance Measurement, Change Management, Practice Management, Meeting Facilitation, Constructive Feedback, Professional Development
★ 4.5 (37) · Mixed · Course · 1 - 3 Months