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: Relational Databases, Databases, Database Theory, Database Design, Database Systems, Database Management, Database Development, SQL, Database Architecture and Administration, Database Management Systems, Query Languages, Data Modeling, Transaction Processing, Data Management, System Design and Implementation, Information Technology, Data Analysis, Information Architecture, Problem Solving, Logical Reasoning
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Computational Logic, Data Structures, Diagram Design, Data Store, Dataflow, Functional Design, Program Development, Data Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Adaptability, Diversity and Inclusion, Workplace inclusivity, Diversity Equity and Inclusion Initiatives, Leadership, Communication, Professional Development, Cultural Diversity, Emotional Intelligence, Initiative and Leadership, Empathy & Emotional Intelligence, Empathy, Trustworthiness
★ 4.7 (10) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Programmable Logic Controllers, Computational Logic, Code Reusability, Data Structures, Diagram Design, Data Store, Dataflow, Functional Design, Microsoft Azure, Automation, Program Development, Performance Tuning, Data Management, System Configuration, Interactive Data Visualization, Data Integration, Fine-tuning, Communication, Simulations
Intermediate · Specialization · 3 - 6 Months

University of Washington
Skills you'll gain: GitHub, Cascading Style Sheets (CSS), Hypertext Markup Language (HTML), Version Control, Git (Version Control System), HTML and CSS, Web Design and Development, Web Development, Web Development Tools, Web Design, Front-End Web Development, Web Content Accessibility Guidelines, Debugging, Semantic Web, Web Analytics and SEO
★ 4.5 (16) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Jenkins, Selenium (Software), GitHub, Git (Version Control System), Performance Testing, Continuous Integration, CI/CD, Apache Maven, Version Control, Test Script Development, Test Automation, System Testing, Test Tools, Object Oriented Programming (OOP), Continuous Delivery, Test Data, Java Programming, Java, Test Case, Software Testing
★ 4.4 (7) · Beginner · Specialization · 3 - 6 Months
Skills you'll gain: Computer Security Incident Management, Incident Management, Incident Response, Security Management, Threat Management, Security Strategy, Event Monitoring, Security Information and Event Management (SIEM), Enterprise Security, IT Automation, Automation, Systems Integration
★ 4.9 (9) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Maintenance, Operating System Administration, Linux Commands, iSCSI Configuration, Network Engineering, File Management, System Software, Software Installation, Encryption
Intermediate · Course · 1 - 3 Months

LearnQuest
Skills you'll gain: Relational Databases, SQL, Databases, Data Access, Data Manipulation, Database Development, Query Languages
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Marketing Automation, Marketing Planning, Marketing Analytics, Competitive Analysis, Prompt Engineering, Email Automation, Search Engine Optimization, Generative AI, Key Performance Indicators (KPIs), AI Personalization, Lead Generation, A/B Testing, Content Creation, Web Analytics, Performance Measurement, Data Visualization, Customer Insights, Data-Driven Decision-Making, Digital Marketing, Content Strategy
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: CI/CD, Cloud Deployment, Application Deployment, Software Development Life Cycle, Systems Development Life Cycle, Continuous Deployment, Development Testing, Continuous Delivery, Software Development, Continuous Integration, Amazon Web Services, Test Tools, Containerization
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Relational Databases, Database Design, Transact-SQL, Data Visualization, Microsoft SQL Servers, Power BI, Databases, Database Management, Database Development, Data Presentation, Data Visualization Software, SQL, Data Preprocessing, Data Management, Data Integrity, Data Access, Data Manipulation, Data Transformation, Data Import/Export
Intermediate · Course · 1 - 4 Weeks