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.

UNSW Sydney (The University of New South Wales)
Skills you'll gain: Financial Modeling, Growth Strategies, Entrepreneurship, Value Propositions, Customer Acquisition Management, Financial Forecasting, Lean Methodologies, Business Modeling, Commercialization, Ideation, Entrepreneurial Finance, Presentations, New Product Development, Product Development, Customer Insights, Verbal Communication Skills, Income Statement, Strategic Partnership, Persona Development, Investments
★ 4.1 (150) · Mixed · Course · 1 - 3 Months

Skills you'll gain: Email Marketing, Social Media Marketing, Point of Sale, Customer Relationship Building, Conversion Funnel Analysis, Brand Loyalty, Driving engagement, Customer Retention, Order Delivery, Client Services, Social Media Management, Social Media Analytics, Drive Engagement, Social Media Content, Customer Relationship Management, Customer Engagement, Digital Media Strategy, E-Commerce, Marketing Planning, Digital Marketing
★ 4.9 (49) · Beginner · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Prompt Engineering, Vibe coding, Debugging, Large Language Modeling, LLM Application, AI Security, Application Programming Interface (API), Responsible AI, Development Environment, AI Integrations, Computer Programming Tools, No-Code Development, Systems Integration, Program Development
★ 4.5 (26) · Beginner · Course · 1 - 4 Weeks

Alibaba Cloud Academy
Skills you'll gain: Relational Databases, Plot (Graphics), Load Balancing, Data Visualization Software, Cloud Security, Network Security, Cloud Management, Cloud Computing, Database Systems, Cloud Hosting, Database Management Systems, Big Data, Database Management, General Networking, Apache Hadoop, Cloud Infrastructure, Operating System Administration, Network Architecture, Apache Spark, Machine Learning
★ 4.6 (145) · Beginner · Specialization · 3 - 6 Months

Technical University of Munich (TUM)
Skills you'll gain: Cost Accounting, Management Accounting, Operating Cost, Cost Control, Cost Estimation, Cost Management, Cost Benefit Analysis, Strategic Decision-Making, Profit and Loss (P&L) Management, Accounting, Product Assortment, Capacity Management, Decision Making, Capacity Planning, Forecasting
★ 4.8 (137) · Intermediate · Course · 1 - 4 Weeks

Dartmouth College
Skills you'll gain: Memory Management, C (Programming Language), Embedded Systems, Software Visualization, Computer Engineering, Embedded Software, System Programming, Computer Programming, Data Structures, Linux
★ 4.7 (66) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Cryptography, Security Requirements Analysis, Network Architecture, Network Security, Internet Of Things, Cybersecurity, Web Services, Encryption, Embedded Systems, Network Protocols, Public Key Cryptography Standards (PKCS), Computer Networking, Threat Modeling, Security Controls, Simple Object Access Protocol (SOAP), TCP/IP, Web Applications, Restful API, Information Privacy, OSI Models
★ 4.4 (172) · Intermediate · Course · 1 - 3 Months

University of California, Irvine
Skills you'll gain: Extract, Transform, Load, Decision Support Systems, Data Warehousing, Data Mining, Database Design, Business Intelligence, Dashboard Creation, Dashboard, Star Schema, Relational Databases, Database Management, Data Visualization Software, Snowflake Schema, Data Presentation, Database Development, Data Visualization, Business Reporting, SAS (Software), Data Modeling, Interactive Data Visualization
★ 4.5 (241) · Beginner · Specialization · 1 - 3 Months

Duke University
Skills you'll gain: Web Scraping, MySQL, SQL, JSON, Scripting, Data Persistence, Scripting Languages, Data Manipulation, Data Structures, Operational Databases, Query Languages, Database Management, Databases, Data Import/Export, Data Capture, Spatial Data Analysis, Python Programming, File I/O
★ 4.4 (111) · Intermediate · Course · 1 - 4 Weeks
Utrecht University
Skills you'll gain: Lobbying, Social Justice, Political Sciences, Economics, Policy, and Social Studies, Socioeconomics, Tax Laws, Civil Law, Social Sciences, Economics, Policy Analysis, Public Affairs, Liberal Arts, Public Policies, Governance, International Finance
★ 4.8 (65) · Beginner · Course · 1 - 3 Months

University of Maryland, College Park
Skills you'll gain: Intercultural Competence, Stakeholder Engagement, Stakeholder Communications, User Story, Empathy & Emotional Intelligence, Stakeholder Management, Persuasive Communication, Target Audience, Non-Verbal Communication, Communication Planning, Influencing, Professional Development, Strategic Communication, Leadership, Data Management, Data Integrity, Negotiation, Rapport Building, Data Presentation, Product Requirements
★ 4.6 (109) · Beginner · Specialization · 3 - 6 Months

Illinois Tech
Skills you'll gain: Database Design, Database Systems, Relational Databases, Database Software, Databases, Database Application, Database Management, Database Management Systems, Database Development, SQL, MySQL, Database Theory, Database Architecture and Administration, Transaction Processing, Stored Procedure, Data Modeling, Unified Modeling Language, Data Integrity, Query Languages, Application Development
★ 4.5 (102) · Beginner · Specialization · 3 - 6 Months