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.

LearnQuest
Skills you'll gain: Blockchain, Risk Management, Enterprise Risk Management (ERM), Risk Analysis, Risk Management Framework, Risk Mitigation, Governance Risk Management and Compliance, Legal Risk, Interoperability, IT Security Architecture, Cyber Risk, Information Technology Architecture, Network Architecture, Governance, Solution Architecture, Application Security, Software Architecture, Cryptography, Data Storage, Systems Architecture
Beginner · Specialization · 3 - 6 Months
Kennesaw State University
Skills you'll gain: Customer Retention, Trustworthiness, Loyalty Programs, Social Impact, Expectation Management, Brand Loyalty, Customer Advocacy, Corporate Sustainability, Customer Relationship Management, Customer Insights, Customer experience strategy (CX), Customer Engagement, Sustainable Development, Customer Analysis, Human Resource Strategy, Sustainable Business, Customer Relationship Building, Business Strategy, Business, Marketing
Beginner · Specialization · 1 - 3 Months

Lecturio
Skills you'll gain: Electocardiography, Cardiac Dysrhythmia, Electrophysiology, Cardiology, Clinical Nursing, Critical Care
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, Generative AI Agents, Standard Operating Procedure, Generative AI, Customer Support, Client Support, Product Support, Procedure Development, AI Personalization, Customer Analysis, Personalized Service, Responsible AI, AI Integrations, Customer experience improvement, Customer Insights, Automation, Ethical Standards And Conduct
Intermediate · Course · 1 - 4 Weeks

Logical Operations
Skills you'll gain: Power BI, Data Analysis Expressions (DAX), Dashboard Creation, Business Reporting, Data Transformation, Business Intelligence, Data Visualization Software, Business Intelligence Software, Dashboard, Data Analysis, Microsoft Excel, Data Visualization, Data Cleansing, Data Modeling, Data Analysis Software, Microsoft PowerPoint, Microsoft 365, Microsoft Office, Collaboration, Data Import/Export
Intermediate · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Product Roadmaps, Cross-Functional Collaboration, Product Development, Cross-Functional Team Leadership, Team Building, Process Development, Collaboration, Meeting Facilitation, Teamwork, Empathy, Team Management, Team Leadership, Product Planning, Product Management, Discussion Facilitation, Leadership, Business Priorities, Goal Setting, Continuous Improvement Process
Beginner · Course · 1 - 3 Months

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

Tecnológico de Monterrey
Skills you'll gain: Patient-centered Care, Patient Safety, Care Management, Health Education, Continuous Quality Improvement (CQI), Health Technology, Patient Communication, Collaboration, Professional Development, Lifelong Learning, Team Collaboration, Teamwork, Adaptability, Communication Strategies
Beginner · Course · 1 - 4 Weeks

Macquarie University
Skills you'll gain: Mobile Security, Digital Forensics, Investigation, Mobile Development, Criminal Investigation and Forensics, Endpoint Security, Cybersecurity, iOS Development, Application Security, Cyber Security Strategy, Computer Security Incident Management, Computer Security, Data Analysis Software, Authentications, Data Integrity, Data Storage
Beginner · Course · 1 - 3 Months

Skills you'll gain: Linux Commands, Linux, Command-Line Interface, Penetration Testing, General Networking, Network Administration, Exploitation techniques, Cybersecurity, Data Ethics, Vulnerability Scanning, Network Security, System Configuration, Software Installation, Virtual Machines
Beginner · Course · 1 - 3 Months

Coursera
Skills you'll gain: SQL, PostgreSQL
Advanced · Guided Project · Less Than 2 Hours

Johns Hopkins University
Skills you'll gain: Large Language Modeling, Email Security, Exploitation techniques, AI Security, Border Gateway Protocol, Malware Protection, Mobile Security, LLM Application, Cybersecurity, Routing Protocols, Network Security, Open Web Application Security Project (OWASP), Network Monitoring, TCP/IP, Intrusion Detection and Prevention, Security Controls, Threat Detection, Network Analysis, Internet Of Things, AI Integrations
Intermediate · Specialization · 3 - 6 Months