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.

Johns Hopkins University
Skills you'll gain: Health Informatics, Digital Transformation, Health Technology, Public Health, Health Disparities, Medical Privacy, Public Health and Disease Prevention, Health Systems, Health Care, Digital Analysis, Data Governance, Interoperability, Information Technology, Artificial Intelligence, Responsible AI
Beginner · Course · 1 - 3 Months

Skills you'll gain: Financial Reporting, Generally Accepted Accounting Principles (GAAP), Financial Statements, Financial Statement Analysis, Financial Accounting, Balance Sheet, Income Statement, Cash Flows, Revenue Recognition, Inventory Accounting, Fixed Asset, Accounts Receivable, Credit Risk
Mixed · Course · 1 - 4 Weeks

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
Build toward a degree
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Big Data, Apache Hadoop, Data Infrastructure, Data Processing, Analytics, Data Science, Data Architecture, Distributed Computing, Linux, Software Installation, Scalability, System Configuration
Intermediate · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Data Modeling, Oracle SQL Developer, Relational Databases, Database Design, Databases, SQL, Oracle Databases, Query Languages, Software Installation
Intermediate · Course · 1 - 4 Weeks

Packt
Skills you'll gain: Empathy & Emotional Intelligence, Emotional Intelligence, Empathy, Self-Awareness, Personal Development, Social Skills, Leadership Development, Relationship Management, Team Performance Management, Empowerment, Professional Development, Motivational Skills, Relationship Building
Beginner · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Construction Engineering, Construction, Civil Engineering, Structural Engineering, Engineering Practices, Laboratory Testing, General Construction and Construction Labor, Structural Analysis, Analytical Testing, Planning
Intermediate · Course · 1 - 3 Months

Edureka
Skills you'll gain: Angular, Application Deployment, JavaScript Frameworks, Software Testing, Test Tools, Web Development Tools, Unit Testing, Application Performance Management, CI/CD, Continuous Integration, Web Applications, TypeScript, Ajax, Application Lifecycle Management, Secure Coding, Web Development, Code Coverage, Software Architecture, Command-Line Interface, Version Control
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Vector Databases, Hugging Face, AI Personalization, Artificial Intelligence, Embeddings, Natural Language Processing, Feature Engineering, MongoDB
Intermediate · Course · 1 - 4 Weeks

Birla Institute of Technology & Science, Pilani
Skills you'll gain: Computer Architecture, Hardware Architecture, Computer Systems, System Programming, Memory Management, File Systems, Data Access, Dependency Analysis, Cloud Platforms
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: z/OS, Package and Software Management, Mainframe Computing, Mainframe Technologies, Patch Management, Software Configuration Management, Software Installation, File Transfer Protocol (FTP), Configuration Management, Problem Management, Debugging, Change Control, Dependency Analysis, Command-Line Interface
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Pseudocode, Responsive Web Design, Computational Thinking, LinkedIn, Cascading Style Sheets (CSS), Front-End Web Development, React.js, HTML and CSS, Debugging, Algorithms, Interviewing Skills, UI Components, Professional Development, Web Presence, JavaScript Frameworks, Web Development Tools, Computational Logic, Web Development, Javascript, Software Development
Intermediate · Specialization · 1 - 3 Months