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: Kubernetes, Cloud-Native Computing, Microservices, Docker (Software), Containerization, Application Deployment, Google Cloud Platform, Software Architecture, Systems Architecture, Cloud Applications
★ 4.6 (22) · Intermediate · Project · Less Than 2 Hours

UBITS
Skills you'll gain: Selling Techniques, Benchmarking, Closing (Sales), Consultative Selling, Retail Sales, Negotiation, Sales Strategy, Overcoming Objections, Accountability, Customer Relationship Management (CRM) Software, Value Propositions, Customer Relationship Management, Customer experience strategy (CX), Customer Analysis, Sales Management, Business Development, Emotional Intelligence, Accountability Frameworks, Market Research, Personal Development
★ 4.7 (13) · Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: E-Commerce, Business-To-Consumer, Order Management Systems, Digital Transformation, Digital Content, Solution Delivery, Program Implementation, Business Requirements, Business Technologies, Customer experience strategy (CX), Payment Systems, Scalability
★ 4.2 (11) · Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Mental Health, Diversity Awareness, Cultural Diversity, Health Disparities, Social Determinants Of Health, Health Equity, Respiration, Preventative Care, Stress Management, Human Development, Positive Airway Pressure (CPAP/BiPAP), Patient Treatment, Treatment Planning, Diagnostic Tests, Mental Health Diseases and Disorders, Physiology, Child Health, Neurology, Geriatrics, Mindfulness
★ 4.5 (14) · Beginner · Course · 1 - 3 Months

Alibaba Cloud Academy
Skills you'll gain: Plot (Graphics), Data Visualization Software, Big Data, Apache Hadoop, Apache Spark, Apache Hive, Distributed Computing, Data Infrastructure, Data Pipelines, Data Processing, Data Warehousing, Data Analysis, Data Integration, Cloud Security, Cloud Technologies, Artificial Intelligence and Machine Learning (AI/ML), SQL
★ 4.3 (52) · Intermediate · Course · 1 - 3 Months

Zoho Corporation
Skills you'll gain: Sales Management, Selling Techniques, Customer Relationship Management, Customer Relationship Management (CRM) Software, General Sales Practices, Sales Process, Sales Development, Sales Strategy, Sales, Customer Relationship Building, Sales Prospecting, B2B Sales, Prospecting and Qualification
★ 5 (9) · Beginner · Course · 1 - 3 Months

Logical Operations
Skills you'll gain: File I/O, Debugging, File Management, File Systems, Python Programming, Operating Systems, Programming Principles, Computer Programming, Object Oriented Programming (OOP), Software Development, Cross Platform Development
★ 4.9 (11) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Selenium (Software), GitHub, Git (Version Control System), Version Control, CI/CD, File I/O, Object Oriented Programming (OOP), Test Automation, Test Data, Unit Testing, Test Case, Software Testing, Test Script Development, Programming Principles, Web Development Tools, Code Reusability, Test Execution Engine, Javascript, Browser Compatibility, Scripting
★ 4.5 (13) · Beginner · Specialization · 3 - 6 Months

Real Madrid Graduate School Universidad Europea
Skills you'll gain: Marketing Strategies, Branding, Global Marketing, Marketing, Brand Management, Social Media Marketing, Loyalty Programs, Consumer Behaviour, Business Modeling, Strategic Partnership, Digital Marketing, E-Commerce, Event Planning, Augmented Reality, Business Analysis, Virtual Reality, Price Negotiation, Blockchain, Data Analysis, Artificial Intelligence
★ 4.8 (6) · Beginner · Specialization · 3 - 6 Months

Coursera
Skills you'll gain: MLOps (Machine Learning Operations), Data Pipelines, Model Evaluation, Systems Design, Transfer Learning, Data Preprocessing, Data Quality, Feature Engineering, Deep Learning, Python Programming, Data Validation, Scikit Learn (Machine Learning Library), Applied Machine Learning, Predictive Modeling, Software Engineering, Debugging, Supervised Learning, Git (Version Control System), Performance Metric, Statistical Analysis
Intermediate · Specialization · 1 - 3 Months

Northeastern University
Skills you'll gain: Care Management, Hospital Experience, Patient-centered Care, Health Informatics, Patient Advocacy, Patient Communication, Patient Safety, Healthcare Industry Knowledge, Health Technology, Analytics, Data Analysis, Predictive Analytics, Data Literacy, AI Personalization, Health Disparities, Innovation, Data Collection, Big Data, Data-Driven Decision-Making, Data Management
Beginner · Course · 1 - 4 Weeks

University of California, Santa Cruz
Skills you'll gain: Business Communication, Entrepreneurship, Social Media Marketing, Search Engine Optimization, Social Media Campaigns, Communication Strategies, Keyword Research, Social Media, Social Media Content, Web Design and Development, Web Analytics and SEO, Marketing, Workflow Management, E-Commerce, Project Management, Business Strategy, Business Process, Branding, Brand Strategy, Invoicing
★ 4.1 (9) · Beginner · Course · 1 - 4 Weeks