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.

EDUCBA
Skills you'll gain: Microservices, Spring Framework, Spring Boot, YAML, MongoDB, Application Deployment, NoSQL, Ajax, Software Architecture, Java Programming, Frontend Integration, Java, Development Environment, Scalability, Load Balancing, Data Integration, Configuration Management, File I/O, File Management
Mixed · Course · 1 - 3 Months

University of Michigan
Skills you'll gain: Health Disparities, Health Equity, Social Justice, Community Health, Social Determinants Of Health, Public Health, Medicaid, Health Systems, Healthcare Industry Knowledge, Diversity Awareness, Health Policy, Diversity Equity and Inclusion Initiatives, Social Sciences, Health Care Procedure and Regulation, Medicare, Healthcare Ethics, Community Organizing, Continuous Quality Improvement (CQI), Health Care, Managed Care
Beginner · Specialization · 3 - 6 Months

Scrimba
Skills you'll gain: SQL, Relational Databases, Database Design, Database Management, Database Application, Query Languages, Databases, Data Manipulation, Database Management Systems
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: AI Personalization, Apache Spark, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning Methods, AWS SageMaker, Scalability, Tensorflow, Dimensionality Reduction, Autoencoders, Artificial Neural Networks, Applied Machine Learning, Python Programming, Fraud detection, Machine Learning Algorithms, Model Optimization, Model Evaluation
Intermediate · Course · 3 - 6 Months

Skills you'll gain: TCP/IP, Network Protocols, Network Monitoring, OSI Models, Network Troubleshooting, Network Security, Web Servers, Network Analysis
Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Google Ads, Pay Per Click Advertising, Marketing Effectiveness, Performance Measurement, Key Performance Indicators (KPIs), Online Advertising, Campaign Management, Search Engine Marketing, Digital Advertising, Performance Analysis, Keyword Research, Marketing Analytics, Brand Management, Social Media Campaigns, Budget Management, Project Management, Data-Driven Decision-Making, Return On Investment, Quality Assessment, Cost Reduction
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Figma (Design Software), Responsive Web Design, Technical Design, User Experience Design, User Interface and User Experience (UI/UX) Design, Layout Design, User Interface (UI) Design, Design Strategies, Web Design, Typography, Usability, E-Commerce, UI/UX Strategy, Design Elements And Principles, Prototyping, UI Components, Client Services
Intermediate · Course · 1 - 3 Months

Alex Genadinik
Skills you'll gain: Keyword Research, Search Engine Optimization, Web Analytics and SEO, Web Presence, Blogs, Content Optimization, Digital Marketing
Mixed · Course · 1 - 4 Weeks

Illinois Tech
Skills you'll gain: Unified Modeling Language, File I/O, Debugging, Object Oriented Programming (OOP), Object Oriented Design, Python Programming, Computer Programming, Programming Principles, System Programming, Pseudocode, Program Development, Event-Driven Programming, Diagram Design, Software Design, Data Import/Export, User Interface (UI), Data Structures, Graphical Tools, UI Components
Build toward a degree
Beginner · Course · 1 - 3 Months

Pearson
Skills you'll gain: File Management, Firewall, Linux Administration, Ubuntu, Hardening, File Systems, OS Process Management, Linux, Authentications, Zero Trust Network Access, Linux Servers, Remote Access Systems, Data Security, Authorization (Computing), User Accounts, Network Security, Linux Commands, User Provisioning, Operating System Administration, IT Security Architecture
Intermediate · Specialization · 1 - 4 Weeks

Skills you'll gain: Financial Statement Analysis, Financial Statements, Management Accounting, Revenue Recognition, Forecasting, Financial Analysis, Cost Accounting, Budget Management, Inventory Accounting, Financial Accounting, Budgeting, Performance Measurement, Cost Management, Business Systems Analysis, Data Mining, Analytics, Enterprise Resource Planning, Systems Analysis, Information Systems, Finance
Beginner · Specialization · 3 - 6 Months

ESSEC Business School
Skills you'll gain: Sustainable Business, Corporate Sustainability, Organizational Change, Sustainable Development, Climate Change Programs, Business Transformation, Sustainable Systems, Systems Thinking, Business Modeling, Environmental Issue, Social Impact, Waste Minimization, Innovation, Product Lifecycle Management, Environment and Resource Management, Case Studies, Resource Utilization, Stakeholder Engagement
Beginner · Course · 1 - 4 Weeks