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.

Vanderbilt University
Skills you'll gain: IntelliJ IDEA, Java Programming, Object Oriented Programming (OOP), Java, Integrated Development Environments, Open Source Technology, Development Environment, Programming Principles, Scalability, Functional Design
Intermediate · Course · 1 - 4 Weeks

Whizlabs
Skills you'll gain: Microsoft Azure, Virtual Networking, Cloud Services, System Monitoring, Infrastructure As A Service (IaaS), Network Monitoring, Cloud Engineering, Application Performance Management, Cloud Management, Network Troubleshooting, Cloud Infrastructure, Cloud Storage, Virtual Machines, Event Monitoring, Disaster Recovery, Continuous Monitoring, Data Storage, Query Languages
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Intrusion Detection and Prevention, Linux Commands
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: CrewAI, AI Workflows, Agentic Workflows, AI Orchestration, LLM Application, Large Language Modeling, Generative AI Agents, Process Modeling, Tool Calling, Agentic systems, Application Deployment, Enterprise Application Management, Program Development, Development Environment, Model Evaluation
Beginner · Project · Less Than 2 Hours

Skills you'll gain: Ajax, Test Tools, Build Tools, Object Oriented Design, Gherkin (Scripting Language), Test Script Development, Web Development Tools, Software Design Patterns, Test Data, Scripting, Data Structures, Package and Software Management, File I/O, Data Access, Automation, Cascading Style Sheets (CSS)
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: HubSpot CRM, Customer Relationship Management (CRM) Software, Digital Transformation, Process Optimization, Business Technologies, Customer Relationship Management, Customer Support, Business Transformation, Technology Strategies, Process Improvement, Customer and Client Support, Business Development
Beginner · Guided Project · Less Than 2 Hours
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
Beginner · Course · 1 - 4 Weeks

Packt
Skills you'll gain: PHP (Scripting Language), Application Deployment, Object-Relational Mapping, Model View Controller, Database Management, UI Components, PostgreSQL, Full-Stack Web Development, Web Development, Web Frameworks, Web Applications, Authentications, Development Environment, Web Development Tools, Authorization (Computing), Application Frameworks, Code Reusability, GitHub, Cascading Style Sheets (CSS), Data Migration
Intermediate · Course · 3 - 6 Months

Skills you'll gain: Identity and Access Management, Cloud Infrastructure, Google Cloud Platform, Infrastructure As A Service (IaaS), Cloud Computing, Cloud Engineering, Cloud Services, Cloud Management, Cloud Computing Architecture, Cloud Storage, Data Storage Technologies, Role-Based Access Control (RBAC), Data Storage, Authorization (Computing), Capacity Management, Key Management, Security Controls, NoSQL, Event Monitoring, System Monitoring
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Network Monitoring, Routing Protocols, Software-Defined Networking, TCP/IP, Network Routing, Open Shortest Path First (OSPF), Network Performance Management, Network Planning And Design, Disaster Recovery, Computer Networking, Virtual Networking, Network Architecture, Virtual Local Area Network (VLAN), Network Administration, Network Protocols, Border Gateway Protocol, Document Management, Networking Hardware
Intermediate · Course · 1 - 3 Months

Whizlabs
Skills you'll gain: Microsoft Azure, Kubernetes, Containerization, Virtual Machines, Application Deployment, Cloud Deployment, Cloud Computing, Cloud Applications, Infrastructure As A Service (IaaS), Cloud-Native Computing, Cloud Infrastructure, Virtualization and Virtual Machines, Infrastructure as Code (IaC), Scalability, Scripting
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
Beginner · Guided Project · Less Than 2 Hours