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: Hedge Accounting, Derivatives, Private Equity, Loans, Risk Management, Risk Analysis, Regression Analysis, Accounting, Fund Accounting, Investment Management, Financial Market, Revenue Recognition, Financial Reporting, Financial Accounting, Equities, Generally Accepted Accounting Principles (GAAP), Case Studies, Financial Analysis, Performance Measurement, Portfolio Management
Beginner · Specialization · 3 - 6 Months

Board Infinity
Skills you'll gain: Leadership and Management, Business Leadership, Performance Management, Automation, Artificial Intelligence, Digital Communications
Beginner · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Java Programming, Java, Data Structures, System Programming, Programming Principles, Debugging, Algorithms
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Object Oriented Programming (OOP), Debugging, Object Oriented Design, JSON, Program Development, Data Structures, Python Programming, Microsoft Visual Studio, Development Environment, Scripting, Maintainability, Integrated Development Environments, Package and Software Management, Programming Principles, Computer Programming, Web Scraping, Application Programming Interface (API), File Management, Scalability, Scripting Languages
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Post-Production, 3D Modeling, Video Production, Color Theory
Intermediate · Course · 1 - 3 Months

Skills you'll gain: LLM Application, OpenAI, Generative AI Agents, Agentic systems, Tool Calling, Prompt Engineering, ChatGPT, Artificial Intelligence, Application Programming Interface (API), User Interface (UI), Large Language Modeling, Python Programming, Development Environment, Application Deployment, JSON, Debugging
Intermediate · Course · 1 - 4 Weeks

Pontificia Universidad Católica del Perú
Skills you'll gain: Writing, Quantitative Research, Statistical Methods, Business Mathematics, Business Analytics, Business Writing, Report Writing, Financial Analysis, Learning Strategies, Finance, AI Personalization, Statistical Analysis, Business Economics, Business, Professional Development, Goal Setting, Productivity Software, Prompt Engineering, Responsible AI
Beginner · Course · 1 - 3 Months

Yonsei University
Skills you'll gain: Spatial Data Analysis, Spatial Analysis, Geographic Information Systems, Geospatial Mapping, Database Management Systems, Big Data, Apache Hadoop, PostgreSQL, Network Analysis
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Order Fulfillment, E-Commerce, Google Ads, Digital Advertising, Customer experience improvement, Market Research, Marketing, Retail Management, Sales, Shipping and Receiving, Marketing Strategies, Market Trend, Process Optimization, Target Audience
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Linux, Package and Software Management, Linux Administration, Red Hat Enterprise Linux, Linux Commands, User Accounts, Operating System Administration, Linux Servers, OS Process Management, Command-Line Interface, File Management, Unix Shell, System Monitoring, General Networking, Firewall, Open Source Technology
Beginner · Course · 1 - 3 Months

AI CERTs
Skills you'll gain: Tensorflow, PyTorch (Machine Learning Library), Natural Language Processing, Internet Of Things, Telecommunications, Anomaly Detection, Artificial Intelligence and Machine Learning (AI/ML), Artificial Intelligence, Responsible AI, Emerging Technologies, Wireless Networks, Generative AI, Network Performance Management, Digital Communications, Generative AI Agents, Network Architecture, Network Protocols, Computer Networking, System Design and Implementation, Communication
Advanced · Specialization · 1 - 3 Months

Packt
Skills you'll gain: Environmental Management Systems, Environmental Policy, Corrective and Preventive Action (CAPA), Document Control, Environmental Regulations, Compliance Management, Sustainability Standards, Emergency Response, Risk Control, Compliance Auditing, Internal Auditing, Continuous Improvement Process, Performance Analysis, Employee Training, Resource Allocation
Intermediate · Course · 3 - 6 Months