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: Endpoint Detection and Response, Network Administration, Cryptographic Protocols, IT Security Architecture, Cloud Security, Data Loss Prevention, Cloud Deployment, Cyber Attacks, Security Controls, Infrastructure Security, Computer Security, Encryption, Cloud Computing, Authorization (Computing), Network Planning And Design, Identity and Access Management, System Configuration, Data Security, Authentications, Malware Protection
★ 4.9 (10) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Mac OS, Application Lifecycle Management, Apache, Endpoint Security, iOS Development, Release Management, Web Servers, Single Sign-On (SSO)
Intermediate · Specialization · 3 - 6 Months

INSEAD
Skills you'll gain: Blockchain, Digital Assets, FinTech, Business Transformation, Business Leadership, Governance, Cryptography, Financial Inclusion, Business Analysis, Organizational Structure, Strategic Leadership, Public Key Infrastructure, Emerging Technologies, Plan Execution, Solution Design, Payment Systems, Entrepreneurship, Cryptographic Protocols, Financial Systems, Market Opportunities
★ 4.9 (40) · Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Data Warehousing, IBM Cognos Analytics, Extract, Transform, Load, Database Architecture and Administration, Data Visualization, Database Design, Dashboard Creation, Data Modeling, MySQL, Business Intelligence, Database Management, Data Architecture, Data Visualization Software, Data Pipelines, PostgreSQL, Shell Script, Data Transformation, Business Metrics
★ 4.8 (28) · Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Health Equity, Team Management, Record Keeping, Medical Science and Research, Collaborative Software, Technical Management, Informatics, Healthcare Project Management, Health Informatics, Devops Tools, Clinical Research, Diversity Awareness, Diversity Equity and Inclusion Initiatives, Clinical Trials, GitHub, Version Control, Git (Version Control System), Docker (Software)
★ 5 (6) · Beginner · Course · 1 - 3 Months
University of Colorado Boulder
Skills you'll gain: Engineering Analysis, Vibrations, Mechanics, Finite Element Methods, Differential Equations, Applied Mathematics, Mathematical Modeling, Integral Calculus, Calculus
★ 4.8 (12) · Advanced · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Crisis Management, Systems Thinking, Stakeholder Communications, Leadership, Strategic Communication, Leadership Development, Contingency Planning, Leadership and Management, Business Continuity Planning, Resilience, Communication Strategies, Dealing With Ambiguity, Risk Analysis, Systems Engineering, Complex Problem Solving, Decision Making, Organizational Strategy, Corporate Strategy, Adaptability, Vulnerability Assessments
Intermediate · Course · 1 - 3 Months

Coursera
Skills you'll gain: PostgreSQL, SQL, Query Languages, Data Transformation, Data Manipulation, Database Software, Data Management
★ 4.5 (31) · Advanced · Guided Project · Less Than 2 Hours

National Academy of Sports Medicine
Skills you'll gain: Stress Management, Mental and Behavioral Health, Medical Nutrition Therapy, Behavioral Health, Mental Health Diseases and Disorders, Psychosocial Assessments, Exercise Science, Social Determinants Of Health, Social Sciences, Nutrition and Diet, Cognitive Behavioral Therapy, Health And Wellness Coaching, Kinesiology, Resilience, Nutrition Care Plans, Coaching, Clinical Nutrition, Mental Health, Health Assessment, Preventative Care
★ 4.5 (24) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Transaction Processing, Hybrid Cloud Computing, COBOL (Programming Language), Mainframe Technologies, Mainframe Computing, IBM Cloud, Cloud Applications, Enterprise Application Management, Application Development, Application Programming Interface (API), Cloud API
★ 4.5 (17) · Intermediate · Course · 1 - 4 Weeks

S.P. Jain Institute of Management and Research
Skills you'll gain: Self-Awareness, Conflict Management, Personal Development, Emotional Intelligence, Personal Attributes, Interpersonal Communications, Collaboration, Relationship Building, Professional Development, Visionary, Leadership, Communication, Dealing With Ambiguity
★ 4.8 (10) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Project Risk Management, IT Management, Project Management, Software Development Methodologies, Systems Development Life Cycle, IT Infrastructure, Software Development Life Cycle, Information Technology, Project Portfolio Management, Project Scoping, Cloud Infrastructure, Environmental Social And Corporate Governance (ESG), Risk Management, Resource Management, Security Management, Agile Methodology, Scrum (Software Development), Agile Software Development, Cloud Services, Information Technology Operations
Beginner · Course · 1 - 3 Months