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: Embedded Software, Application Security, Embedded Systems, DevSecOps, Secure Coding, Internet Of Things, Application Deployment, Systems Design, Cloud Deployment, Security Requirements Analysis, User Interface and User Experience (UI/UX) Design, Cybersecurity, Security Engineering, Systems Architecture, Security Controls, IT Security Architecture, Cyber Security Strategy, Design Strategies, Software Architecture, Functional Design
Beginner · Course · 3 - 6 Months

Skills you'll gain: Month End Closing, General Ledger, Financial Statements, General Accounting, Business Metrics, Bookkeeping, Accounting Software, Accounting, Financial Statement Analysis, Ledgers (Accounting), Financial Analysis, Financial Accounting, QuickBooks (Accounting Software), Excel Formulas, Financial Reporting, Income Statement, Variance Analysis, Accounting Records, Financial Forecasting, Financial Management
Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: Hardening, Remote Access Systems, Linux Servers, Linux Administration, Linux, Linux Commands, Authentications, Security Controls, Cryptographic Protocols, Key Management, Public Key Infrastructure, Package and Software Management, Software Installation
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Vue.JS, JavaScript Frameworks, Front-End Web Development, Web Applications, UI Components, Web Design and Development, Hypertext Markup Language (HTML), Application Programming Interface (API), User Interface (UI), Code Reusability, Event-Driven Programming, Data Validation, Scalability
Beginner · Course · 1 - 3 Months

Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Cloud Security, Google Cloud Platform, Threat Management, Security Controls, Data Loss Prevention, Data Security, Vulnerability Management, Threat Detection, Event Monitoring, Malware Protection, IT Automation, Continuous Monitoring, Intrusion Detection and Prevention, System Software
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Identity and Access Management, User Provisioning, Cloud Infrastructure, Role-Based Access Control (RBAC), Virtual Private Networks (VPN), Virtual Networking, Cloud Security, Operational Databases, Performance Tuning, Data Storage, Routing Protocols
Intermediate · Course · 1 - 3 Months

Skills you'll gain: PostgreSQL, Performance Tuning, Database Management, Google Cloud Platform, Database Software, SQL, Data Management, Application Performance Management, Data Analysis
Beginner · Project · Less Than 2 Hours

Skills you'll gain: vSphere DRS & HA, Storage vMotion, Virtual Machines, VMware ESX Servers, vCenter Server Management, vCenter Server, Virtualization and Virtual Machines, Memory Management, Capacity Management, Patch Management, Configuration Management, System Monitoring
Advanced · Course · 1 - 4 Weeks

Google - Spectrum Sharing
Skills you'll gain: Software Installation, Wireless Networks, Public Key Infrastructure, General Networking, Network Infrastructure, Communication Systems, Data Sharing, Global Positioning Systems, Telecommunications, System Configuration, System Requirements, Network Planning And Design, Verification And Validation
Beginner · Course · 1 - 3 Months

Skills you'll gain: Generative AI Agents, OpenAI API, AI Orchestration, Agentic Workflows, AI Integrations, Command-Line Interface, AI Workflows, Agentic systems, API Testing, Rust (Programming Language), Key Management, AI Security, Software Technical Review
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Web Analytics and SEO, AI Integrations, Generative AI Agents, Analytics, Data Store, Frontend Integration, System Configuration
Beginner · Project · Less Than 2 Hours

Real Madrid Graduate School Universidad Europea
Skills you'll gain: Global Marketing, Customer Engagement, Cultural Sensitivity, Revenue Management, Augmented and Virtual Reality (AR/VR), Brand Management, Marketing Strategy and Techniques, Customer experience improvement, Personalized Service, Business Modeling, Content Strategy, Customer Relationship Management, Innovation, Business Management, Price Negotiation, Digital Transformation, Data-Driven Decision-Making, Metadata Management, Artificial Intelligence, User Experience Design
Beginner · Course · 1 - 4 Weeks