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.

Universidad Nacional Autónoma de México
Skills you'll gain: Android Development, Android Studio, Java, Mobile Development, Object Oriented Programming (OOP), Android (Operating System), Mockups, Java Programming, Application Deployment, JSON, Web Services, Mobile Development Tools, Application Design, Restful API, Application Development, Software Design Patterns, Prototyping, Application Lifecycle Management, User Interface (UI) Design, Instagram
Intermediate · Specialization · 3 - 6 Months

Logical Operations
Skills you'll gain: SQL, Statistical Reporting, Query Languages, Microsoft Access, Data Presentation, Business Reporting, Relational Databases, Data Manipulation, Business Intelligence Software, Data Analysis Software, Data Analysis, Business Intelligence, Microsoft Office
Mixed · Course · 1 - 4 Weeks

CertNexus
Skills you'll gain: Cyber Threat Intelligence, Incident Response, Cybersecurity, Computer Security Incident Management, Information Systems Security, Threat Detection, Cyber Risk, Risk Analysis, Computer Security, Digital Forensics, Network Security, Incident Management, Vulnerability Assessments, Criminal Investigation and Forensics, Vulnerability Management, Vulnerability Scanning, Intelligence Collection and Analysis, Risk Management, Risk Mitigation, Network Analysis
Intermediate · Specialization · 3 - 6 Months

Cisco Learning and Certifications
Skills you'll gain: Network Troubleshooting, Dynamic Host Configuration Protocol (DHCP), Wide Area Networks, Network Support, Network Performance Management, Network Administration, System Configuration, System Monitoring, Network Protocols, Network Planning And Design, Telecommunications, Network Routing, Communication Systems, Endpoint Security, Capacity Management, Application Performance Management, Configuration Management, Scalability, Service Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: Retrieval-Augmented Generation, Model Deployment, Kubernetes, Containerization, LLM Application, Application Deployment, Large Language Modeling, Release Management, MLOps (Machine Learning Operations), Cloud Deployment, Configuration Management, Continuous Delivery, Scalability, Application Performance Management, Performance Tuning, Performance Analysis, Infrastructure as Code (IaC), Performance Testing, Systems Analysis, Analysis
Intermediate · Course · 1 - 4 Weeks

Salesforce
Skills you'll gain: Sales Process, Sales, Salesforce, Sales Operations, Customer Relationship Management, B2B Sales, Data Management, Customer Data Management, Databases, Business-To-Consumer
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Analysis Expressions (DAX), Power BI, Interactive Data Visualization, Data Modeling, Azure Synapse Analytics, Microsoft Azure, Business Reporting, Database Design, Data Lakes, Business Intelligence, Enterprise Architecture, Enterprise Security, Data Governance, Data Management, Performance Analysis, Solution Architecture, Governance, Analytics, Automation, Regulation and Legal Compliance
Intermediate · Professional Certificate · 3 - 6 Months

Coursera
Skills you'll gain: AI Security, Threat Modeling, Open Web Application Security Project (OWASP), Security Testing, Retrieval-Augmented Generation, Software Architecture, API Design, Test Automation, Vulnerability Management, Agentic systems, Systems Design, Model Evaluation, Test Driven Development (TDD), CI/CD, Python Programming, Continuous Deployment, Dependency Analysis, Large Language Modeling, Machine Learning, Performance Analysis
Intermediate · Specialization · 3 - 6 Months

Niel Asher Education
Skills you'll gain: Rehabilitation, Manual Therapy, Exercise Therapy, Orthopedics, Sports Medicine, Exercise Science, Physical Therapy, Kinesiology, Athletic Training, Human Musculoskeletal System, Patient Evaluation, Pain Management, Clinical Assessment, Mechanics, Anatomy, Cognitive Behavioral Therapy
Intermediate · Course · 1 - 4 Weeks
Skills you'll gain: AI Security, Application Security, Secure Coding, DevSecOps, Open Web Application Security Project (OWASP), Responsible AI, Threat Modeling, Vulnerability Scanning, AI Personalization, Continuous Integration, Code Review, PyTorch (Machine Learning Library), MLOps (Machine Learning Operations), Dependency Analysis, Analysis, Program Implementation, Supply Chain
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Autism Spectrum Disorders, Individualized Education Programs (IEP), Special Education, Nutrition Education, Community Health, School Psychology, Chronic Diseases, Case Studies, Student Support and Services, Nutrition and Diet, Empathy & Emotional Intelligence, Health Education, Health Promotion, School Counseling, Mental and Behavioral Health Specialties, Parent Communication, Care Management, Communication Disorders, Neurology, Behavioral Health
Beginner · Specialization · 3 - 6 Months

University of Geneva
Skills you'll gain: International Relations, Leadership and Management, Strategic Partnership, Marketing, Fundraising, Leadership, Governance, Public Policies, Business, Organizational Strategy, Organizational Structure, World History, Sustainable Development, Cross-Functional Collaboration, Climate Change Mitigation
Beginner · Course · 1 - 3 Months