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.

LearnKartS
Skills you'll gain: Cloud Security, Open Web Application Security Project (OWASP), Data Governance, Data Management, Data Security, Cloud API, Secure Coding, Application Security, DevSecOps, Cloud Applications, Key Management, Encryption, Personally Identifiable Information, Information Privacy, General Data Protection Regulation (GDPR), OAuth, Cloud Storage, Application Programming Interface (API), Threat Modeling, Data Encryption Standard
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Application Lifecycle Management, Azure DevOps, CI/CD, Continuous Delivery, Continuous Integration, DevOps, Data Validation, Data Governance, Data Quality, Test Automation, Extract, Transform, Load, Data Pipelines, Scalability, SQL
Advanced · Course · 1 - 4 Weeks

University of Pennsylvania
Skills you'll gain: People Analytics, Human Resource Strategy, Human Resources, Workforce Planning, Talent Management, Organizational Effectiveness, Analytics, Employee Performance Management, Data-Driven Decision-Making, Performance Analysis, Network Analysis, Employee Retention, Performance Management, Collaboration, Data Analysis, Predictive Analytics
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Application Security, Secure Coding, Security Testing, Open Web Application Security Project (OWASP), Vulnerability, Software Testing, Computer Security, Vulnerability Management, Data Security, Security Strategy, Unit Testing, Human Factors (Security), Application Design, Information Privacy, Computer Programming, Python Programming, Node.JS, Javascript, Design Strategies, JavaScript Frameworks
Intermediate · Specialization · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Hybrid Cloud Computing, Cloud-Based Integration, Cloud Computing, Key Management, Session Initiation Protocols, Network Troubleshooting, Network Monitoring, Cloud Security, Collaborative Software, Systems Integration, Live Streaming, Telecommunications, Encryption, Communication Systems
Beginner · Course · 1 - 4 Weeks

Akamai Technologies, Inc.
Skills you'll gain: Endpoint Security, Database Systems, Computer Security Incident Management, Security Management, Ubuntu, Routing Protocols, Database Design, Application Development, Network Architecture, Linux Commands, TCP/IP, Operating Systems, Database Theory, Web Design and Development, Cascading Style Sheets (CSS), Web Development, Data Structures, Python Programming, Data Analysis, Software Development
Beginner · Professional Certificate · 3 - 6 Months

Skills you'll gain: Data Analysis Expressions (DAX), Power BI, Performance Tuning, Performance Analysis, Microsoft Excel, Time Series Analysis and Forecasting, Microsoft Copilot, Business Intelligence, Data Modeling, Data Manipulation, Business Metrics, Interactive Data Visualization
Intermediate · Course · 1 - 3 Months

Copenhagen Business School
Skills you'll gain: Business Strategy, Business Planning, Case Studies, Strategic Decision-Making, Strategic Thinking, Plan Execution, Goal Setting, Resource Management, Organizational Strategy, Peer Review, Competitive Analysis, Strategic Leadership, Innovation, Organizational Structure, Strategic Planning, Market Analysis, Culture Transformation, Change Management, Business Strategies, Organizational Change
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Process Optimization, Organizational Change, Virtual Teams, People Management, Leadership Development, Project Management, Personal Development, Human Resources Management and Planning, Professional Development, Continuous Improvement Process, Talent Management, Employee Performance Management, Employee Retention, Agile Methodology, Cross-Functional Team Leadership, Self-Awareness, Growth Mindedness
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Nursing Administration, Financial Reporting, Budget Management, Variance Analysis, Financial Statements, Forecasting, Nursing Management, Financial Acumen, Financial Management, Budgeting, Operating Budget, Cost Management, Data-Driven Decision-Making, Return On Investment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Responsible AI, Power BI, Microsoft Azure, Microsoft Copilot, Business Intelligence, Data Architecture, Business Reporting, AI Personalization, Pandas (Python Package), Python Programming, Predictive Modeling, Generative AI, Matplotlib, Data Wrangling, Artificial Intelligence and Machine Learning (AI/ML), Data Transformation, Data Visualization, Data Governance, R Programming, Continuous Deployment
Advanced · Course · 1 - 4 Weeks

Rice University
Skills you'll gain: Apache Kafka, Apache Spark, Apache Hadoop, Distributed Computing, Dataflow, Java Programming, Java, Software Architecture, Systems Architecture, Scala Programming, Data Structures, System Programming, Programming Principles, Servers, Application Frameworks, Debugging, Algorithms, Performance Tuning, Functional Design, Performance Testing
Intermediate · Specialization · 3 - 6 Months