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: Django (Web Framework), GitHub, Version Control, Git (Version Control System), User Interface and User Experience (UI/UX) Design, User Experience Design, Secure Coding, User Interface (UI), Web Development, Application Security, Application Frameworks, Development Environment, Authentications, Usability, Web Applications, Integrated Development Environments, User Accounts, Authorization (Computing)
★ 4.7 (15) · Intermediate · Guided Project · Less Than 2 Hours

Skills you'll gain: Lightweight Directory Access Protocols, Git (Version Control System), Authentications, Collaborative Software, Linux Administration, Linux, Version Control, Open Source Technology, Identity and Access Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Database Development, Billing & Invoicing, Billing, Database Application, Application Design, Registration, Program Development, Restaurant Operation, Invoicing, Restaurant Management, Systems Development, UI Components, Order Entry, Order Management, Scalability, Authentications
Beginner · Course · 1 - 3 Months

Skills you'll gain: Systems Analysis, Communication Systems, Verification And Validation, Computational Logic, Systems Design, Process Modeling, System Design and Implementation, Data Modeling, Software Design, Network Protocols
★ 4.6 (13) · Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Firewall, Network Security, Linux, Linux Administration, Security Controls, Hardening, Ubuntu, Linux Commands, File Management, Authorization (Computing), File Systems, System Configuration, Endpoint Security, Command-Line Interface
Intermediate · Course · 1 - 4 Weeks

University of Copenhagen
Skills you'll gain: Life Sciences, Anthropology, Biology, Physical Science, Microbiology, Environment, Ancient History, Environmental Science, General Science and Research, Molecular Biology, Taxonomy, Chemistry
★ 4.7 (645) · Mixed · Course · 1 - 3 Months

★ 4.6 (22) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Persistence, File I/O, C (Programming Language), Game Design, Programming Principles, Debugging, Code Reusability, Data Modeling, Video Game Development, Computational Thinking, System Programming, Data Integrity, C and C++, File Management, Program Development, Application Development, Data Management, Data Storage, Computational Logic, Animation and Game Design
Beginner · Specialization · 1 - 3 Months

Skills you'll gain: JUnit, Java Programming, Unit Testing, Java, Test Script Development, Software Testing, Quality Assurance, Software Quality Assurance, Test Case, Software Development, Application Development, Data Validation, System Design and Implementation, User Interface (UI), Data Modeling
Mixed · Course · 1 - 4 Weeks

Skills you'll gain: Data Validation, Object-Relational Mapping, Database Design, Back-End Web Development, Data Modeling, Data Integrity, Health Informatics, Database Development, Program Development, Application Development, Software Architecture, Application Frameworks, Database Application, Database Systems, Operational Databases, Data Persistence, Database Management Systems, Health Care, Database Management, .NET Framework
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Database Development, Relational Databases, Requirements Analysis, Application Deployment, Database Application, Database Design, Database Management, Functional Requirement, C# (Programming Language), Application Development, Data Validation, Application Design, User Interface (UI), Business Logic, Program Development, Verification And Validation, UI Components, Data Access, User Interface (UI) Design
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cardiology, Blood Pressure, Capillary, Hemodynamics, Cardiac Dysrhythmia, Diagnostic Tests, Respiration, Anatomy, Hematology, Physiology, Electrophysiology, Medical Terminology, Simulation and Simulation Software
★ 4.5 (12) · Beginner · Course · 1 - 4 Weeks