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.

CertNexus
Skills you'll gain: Threat Modeling, Cybersecurity, Cyber Threat Intelligence, Threat Management, Information Systems Security, Threat Detection, Security Management, Cyber Risk, Cyber Security Assessment, Risk Analysis, Computer Security, Risk Mitigation, Risk Management, Network Security, Information Assurance, Risk Management Framework, Enterprise Risk Management (ERM), Risk Appetite, Trend Analysis, Technical Documentation
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Goal-Oriented, Growth Mindedness, Stress Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: ISO/IEC 27001, Auditing, Audit Planning, Security Controls, Security Management, Information Systems Security, Information Assurance, Risk Management, Risk Management Framework, Security Strategy, Security Requirements Analysis, Identity and Access Management, Security Awareness, Information Technology
Intermediate · Course · 1 - 3 Months

CertNexus
Skills you'll gain: Internet Of Things, Business Planning, Project Planning, Information Technology, Systems Development Life Cycle, Software Development Life Cycle, Technology Strategies, Business Solutions, Emerging Technologies, Cloud Computing, Technology Solutions, Business Strategy, Cybersecurity, Operations, Risk Management, Software Development, Operational Efficiency, Prototyping
Mixed · Course · 1 - 4 Weeks
Stanford University
Skills you'll gain: Organizational Structure, Social Network Analysis, Organizational Strategy, Decision Making, Organizational Change, Leadership Studies, Business, Culture, Sociology, Analysis, Resource Management, Case Studies, Coordination, Negotiation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Agile Software Development, Scrum (Software Development), Agile Methodology, Kanban Principles, Agile Product Development, Agile Project Management, User Story, Sprint Retrospectives, Sprint Planning, Workflow Management, Performance Metric, Team Oriented, Team Performance Management, Backlogs, Team Building, Performance Measurement, Lean Methodologies, Plan Execution, Prioritization, Estimation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Content Performance Analysis, Persona Development, Content Marketing, Customer Insights, Target Audience, Content Strategy, Persona (User Experience), Social Media Content, Data Storytelling, Marketing Analytics, Performance Measurement, Scheduling, Drive Engagement, Key Performance Indicators (KPIs), Return On Investment, Strategic Decision-Making
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Information Architecture, Software Architecture, System Configuration
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Performance Tuning, Database Design
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Newsletters, Email Marketing, Content Performance Analysis, Driving engagement, Digital Marketing, Campaign Management, Marketing Effectiveness, Marketing Materials, Business Metrics, Customer Engagement, Performance Metric, Content Creation, Key Performance Indicators (KPIs), Performance Measurement
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Content Performance Analysis, Dashboard, Surveys, Newsletters, Search Engine Optimization, Marketing Budgets, Email Automation, Marketing Analytics, Marketing Automation, Spreadsheet Software, Web Analytics, Email Marketing, Content Marketing, Performance Reporting, Social Media Management, Google Analytics, Collaborative Software, Lead Generation, Pivot Tables And Charts, Project Management Software
Beginner · Specialization · 3 - 6 Months

Infosec
Skills you'll gain: OSI Models, Network Troubleshooting, General Networking, Computer Networking, Network Architecture, Network Infrastructure, Network Monitoring, Network Security, Virtual Networking, Routing Protocols, Network Routing, Virtual Local Area Network (VLAN), Wireless Networks, Disaster Recovery, Network Protocols, Network Switches, Cloud Services
Mixed · Course · 1 - 3 Months