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.

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Theoretical Computer Science, Mathematics and Mathematical Modeling, Applied Mathematics, Algorithms, Cryptography, Data Management
Beginner · Course · 1 - 3 Months

Board Infinity
Skills you'll gain: Node.JS, MongoDB, Secure Coding, Middleware, Event-Driven Programming, Databases
★ 4.6 (12) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Storytelling, Data Presentation, Data Visualization Software, Data Visualization, Interactive Data Visualization, Dashboard, Dashboard Creation, Tableau Software, Microsoft Excel, Excel Formulas, Pivot Tables And Charts, Spreadsheet Software, Data Analysis Software, Business Intelligence, Performance Tuning, Data Analysis, Analytics, Analytical Skills, Business Metrics
★ 4.1 (8) · Beginner · Course · 1 - 3 Months

Simplilearn
Skills you'll gain: Social Media, Social Media Marketing, Social Media Management, Social Media Strategy, Social Media Content, Social Media Campaigns, Content Performance Analysis, Social Media Analytics, Brand Management, Campaign Management, Instagram, Content Creation, Performance Analysis, Branding, Campaign Planning, Performance Measurement, Target Audience, Content Scheduling, Brand Strategy, Digital Marketing Tools
★ 4.5 (11) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Database Administration, Database Architecture and Administration, Relational Databases, Database Management, Apache Airflow, Operational Databases, PostgreSQL, MySQL, Data Warehousing, Data Pipelines, Extract, Transform, Load, Database Management Systems, Database Design, Data Maintenance, SQL, Data Architecture, Performance Tuning, Disaster Recovery, Data Security, Data Transformation
★ 4.7 (16) · Advanced · Course · 1 - 3 Months

Skills you'll gain: AI Personalization, Apache Spark, Artificial Intelligence and Machine Learning (AI/ML), Machine Learning Methods, AWS SageMaker, Scalability, Tensorflow, Dimensionality Reduction, Autoencoders, Artificial Neural Networks, Applied Machine Learning, Python Programming, Fraud detection, Machine Learning Algorithms, Model Optimization, Model Evaluation
Intermediate · Course · 3 - 6 Months

LearnKartS
Skills you'll gain: Negotiation, Communication Strategies, Professionalism, Performance Analysis, Professional Development, Organizational Skills, Persona Development
★ 4.9 (21) · Intermediate · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Version Control, GitLab, Continuous Integration, Software Versioning, CI/CD, Git (Version Control System), Collaborative Software, Javascript
★ 4.2 (19) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Hardening, Incident Response, Vulnerability Assessments, Cyber Security Assessment, Security Strategy, Security Controls, Computer Security Incident Management, Infrastructure Security, Security Testing, Control Systems, Information Systems Security, Penetration Testing, Cyber Security Strategy, Cyber Attacks, Risk Analysis, Operational Risk, Data Security, Risk Management Framework, Risk Management, Operational Databases
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: UI Components, Interactive Design, User Interface (UI), Frontend Integration, MySQL, Object Oriented Programming (OOP), Event-Driven Programming, Database Development, Database Design, Graphic and Visual Design, Database Application, User Flows, Application Deployment, User Interface (UI) Design, Application Development, Database Management, Application Design, Graphical Tools, Development Environment, Python Programming
★ 4.6 (64) · Intermediate · Specialization · 1 - 3 Months

Illinois Tech
Skills you'll gain: Relational Databases, Database Application, Database Management, Database Development, SQL, Databases, Database Systems, MySQL, Database Management Systems, Database Software, Database Design, Transaction Processing, Stored Procedure, Data Access, Application Development, Java, Data Integrity, Performance Tuning
★ 4.6 (54) · Intermediate · Course · 1 - 3 Months

University of Washington
Skills you'll gain: Mergers & Acquisitions, Legal Strategy, Commercial Laws, Governance, Legal Support, Legal Risk, Case Law, Corporate Finance, Civil Law, Equities, Organizational Structure, Analysis, Registration, Business, Law, Regulation, and Compliance
Intermediate · Course · 1 - 4 Weeks