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: API Testing, Test Automation, Test Case, Test Execution Engine, Application Programming Interface (API), Regression Testing, System Monitoring, Restful API, Continuous Integration, Scenario Testing, Debugging, Continuous Delivery, Jenkins, CI/CD, Test Data, Azure DevOps, Query Languages, Data Validation
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Linux Commands, Bash (Scripting Language), Shell Script, Linux, Unix Commands, Scripting, File Management, Command-Line Interface, Linux Servers, Scripting Languages, Unix, File Systems, Linux Administration, Network Protocols
Beginner · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Microsoft Access, Database Design, Relational Databases, Database Management, Excel Macros, Microsoft 365, Database Development, Database Administration, Database Architecture and Administration, Data Integrity, Data Maintenance, Microsoft Windows, Databases, Microsoft Office, Data Entry, Query Languages, Data Presentation, Productivity Software, User Interface (UI), Scripting
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Wiring Diagram, Electrical Wiring, Electrical Systems, Schematic Diagrams, AutoCAD, Communication Systems, Computer-Aided Design, Engineering Drawings, Verification And Validation, Systems Design, Technical Drawing, Systems Integration, Safety Standards, Building Codes
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Dashboard, Application Performance Management, System Monitoring, Enterprise Application Management, Performance Tuning, Performance Analysis, Management Reporting, Performance Metric, Anomaly Detection, Real Time Data, Continuous Monitoring, Root Cause Analysis, Operational Performance Management, Business Metrics, Transaction Processing, Key Performance Indicators (KPIs), Data-Driven Decision-Making
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Server Side, Application Deployment, Apache Tomcat, Web Design, Front-End Web Development, Application Servers, HTML and CSS, Web Development, User Interface and User Experience (UI/UX) Design, Web Servers, Email Automation, Usability, Interactive Design, Java Platform Enterprise Edition (J2EE)
Beginner · Course · 1 - 4 Weeks

University of Geneva
Skills you'll gain: International Relations, Leadership and Management, Strategic Partnership, Marketing, Fundraising, Leadership, Governance, Public Policies, Business, Organizational Strategy, Organizational Structure, World History, Sustainable Development, Cross-Functional Collaboration, Climate Change Mitigation
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Prioritization, Jira (Software), Organizational Skills, Decision Making, Backlogs, Project Management Software, Timelines, Dashboard, Query Languages, Project Management, Resource Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Visualization Software, Marketing Analytics, Key Performance Indicators (KPIs), Performance Measurement, Data Storytelling, Business Reporting, Trend Analysis, Grafana, Dashboard, Tableau Software, Performance Reporting, Power BI, Time Series Analysis and Forecasting, Descriptive Analytics, Data Sharing, Data Integration, Stakeholder Communications
Beginner · Course · 1 - 4 Weeks

Universidad de los Andes
Skills you'll gain: Financial Statement Analysis, Finance, Financial Analysis, Income Statement, Capital Budgeting, Balance Sheet, Financial Modeling, Financial Management, Business Mathematics, Corporate Finance, Return On Investment, Microsoft Excel, Investment Management, Cash Flows, Business Metrics, Loans
Beginner · Course · 1 - 3 Months

Princeton University
Skills you'll gain: Microarchitecture, Computer Architecture, Hardware Architecture, Computer Systems, Computer Engineering, Distributed Computing, Operating Systems, Performance Tuning, Scalability
Advanced · Course · 3 - 6 Months

Skills you'll gain: Multi-Cloud, Enterprise Architecture, Cloud Computing Architecture, Cloud Platforms, Data-Driven Decision-Making, Solution Architecture, Systems Architecture, Cloud Infrastructure, Cloud Services, Artificial Intelligence and Machine Learning (AI/ML), Scalability, CI/CD, IT Security Architecture, Infrastructure As A Service (IaaS), Capacity Planning, Systems Analysis, Security Controls, Cost Containment, Blueprinting, Continuous Monitoring
Intermediate · Course · 1 - 4 Weeks