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.

Infosec
Skills you'll gain: MITRE ATT&CK Framework, Cyber Threat Hunting, Threat Detection, Endpoint Detection and Response, Cybersecurity, Network Security, Cyber Security Strategy, System Monitoring, Cyber Operations, Threat Management, Continuous Monitoring, Cyber Threat Intelligence, Exploitation techniques, Data Persistence, Scripting, Network Monitoring, Persistence, Python Programming, Data Access, Computer Programming
Intermediate · Specialization · 3 - 6 Months

University of Pennsylvania
Skills you'll gain: Financial Statements, Financial Statement Analysis, Inventory Accounting, Balance Sheet, Income Statement, Financial Accounting, Financial Reporting, Financial Analysis, Accounting, Depreciation, Fixed Asset, Accounts Receivable, Cash Flows, Equities, Tax
Mixed · Course · 1 - 3 Months

University of Leeds
Skills you'll gain: Test Case, Software Testing, Quality Assurance, Verification And Validation, Acceptance Testing, System Testing, Unit Testing, Functional Testing, Usability Testing, Integration Testing, Performance Testing, Software Development Life Cycle, Software Development
Beginner · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Systems Design, Design Software, Design, Electrical Engineering, Engineering Design Process, Engineering, Scientific, and Technical Instruments, Image Quality, Engineering Calculations, Simulation and Simulation Software, electromagnetics, Electrical and Computer Engineering, System Requirements, Biomedical Engineering, Computer Displays, Systems Engineering, Image Analysis, Medical Imaging, Engineering Analysis, Graphical Tools, Laboratory Equipment
Build toward a degree
Advanced · Specialization · 3 - 6 Months

Skills you'll gain: Business Intelligence, Data-Driven Decision-Making, Data Mining, Business Analytics, Data Analysis, Data Management, Data Visualization, Data Warehousing, Data Wrangling, Extract, Transform, Load, Statistical Analysis, Data Visualization Software, Key Performance Indicators (KPIs)
Beginner · Course · 1 - 3 Months
University of Toronto
Skills you'll gain: Biostatistics, Life Sciences, Data Analysis
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: Sales Territory Management, Sales Pipelines, Cold Calling, Regional Sales, Customer Relationship Management, Product Knowledge, Lead Generation, Sales Presentations, Sales Strategy, Inside Sales, B2B Sales, Consultative Selling, Sales Prospecting, Microsoft Copilot, AI Personalization, Customer Relationship Management (CRM) Software, Email Automation, Generative AI, ChatGPT, Customer Engagement
Intermediate · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: Employee Retention, Talent Pipelining, Succession Planning, Workplace inclusivity, Performance Appraisal, Human Resource Strategy, Prompt Engineering, Mediation, Human Resources, Employee Engagement, Responsible AI, Generative AI Agents, AI Enablement, Human Resources Information System (HRIS), HR Tech, Payroll, Performance Review, Management Training And Development, Generative AI, Artificial Intelligence and Machine Learning (AI/ML)
Beginner · Specialization · 3 - 6 Months

Lund University
Skills you'll gain: Sustainable Development, Sustainable Design, Sustainable Technologies, Community Development, Environmental Issue, Governance, Systems Thinking, Climate Change Mitigation, Case Studies, Stakeholder Engagement
Beginner · Course · 1 - 3 Months
Skills you'll gain: Red Hat Enterprise Linux, Linux, Private Cloud, Linux Administration, Package and Software Management, Command-Line Interface, Operating System Administration, File Systems, Linux Commands, User Accounts, IBM Cloud, Unix Shell, File Management, OS Process Management, Cloud Management, Virtual Machines, Infrastructure As A Service (IaaS), Systems Administration, Virtualization, Cloud Computing
Intermediate · Specialization · 3 - 6 Months

McMaster University
Skills you'll gain: Exercise Science, Kinesiology, Productivity, Cardiology, Stress Management, Time Management, Adaptability, Human Musculoskeletal System, Nutrition and Diet, Physiology, Mental Health, Goal Setting
Beginner · Course · 1 - 4 Weeks

University of Geneva
Skills you'll gain: Water Resources, Water Resource Management, Water Sustainability, Natural Resource Management, Environmental Laws, Environmental Policy, Governance, International Relations, Policy Analysis, Case Studies
Mixed · Course · 1 - 3 Months