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: OSI Models, TCP/IP, Network Monitoring, Network Protocols, Network Troubleshooting, Network Security, Network Administration, Network Analysis, Cyber Security Assessment, Linux
Intermediate · Guided Project · Less Than 2 Hours

Fundação Instituto de Administração
Skills you'll gain: Business Strategy, Business Management, People Management, Corporate Finance, Organizational Structure, Business Planning, Financial Analysis, Leadership and Management, Marketing, Competitive Analysis, Go To Market Strategy, Branding, Decision Making
Beginner · Course · 1 - 3 Months

Skills you'll gain: Apache, Network Troubleshooting, OSI Models, File Transfer Protocol (FTP), Linux Administration, Linux Servers, TCP/IP, Network Protocols, Linux Commands, Linux, Dynamic Host Configuration Protocol (DHCP), Virtual Networking, General Networking, Virtual Machines, Web Servers, Remote Access Systems, Network Infrastructure, Network Administration, Computer Networking, Network Analysis
Intermediate · Specialization · 1 - 4 Weeks

Skills you'll gain: Incident Response, Threat Detection, Computer Security Incident Management, Threat Management, Malware Protection, Cybersecurity, Cyber Attacks, Data Persistence, Network Analysis, Microsoft Windows, Operating Systems, Virtual Environment
Beginner · Course · 1 - 4 Weeks

DeepLearning.AI
Skills you'll gain: MLOps (Machine Learning Operations), Large Language Modeling, Jupyter, AI Workflows, Data Store, Version Control, Metadata Management
Intermediate · Project · Less Than 2 Hours

Real Madrid Graduate School Universidad Europea
Skills you'll gain: Event Planning, Customer Engagement, Marketing, Storytelling, Marketing Strategy and Techniques, Corporate Strategy, Global Marketing, Brand Management, Strategic Communication, Digital Marketing, Sustainability Reporting, Contract Management, E-Commerce, Customer experience improvement, Virtual Teams, Augmented and Virtual Reality (AR/VR), Game Theory, Blockchain, Cross Platform Development, Influencing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: z/OS, Computer Architecture, Mainframe Computing, System Programming, Computer Programming, Computational Logic, Data Storage, Job Control Language (JCL)
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Marketing Operations, Operations Management, Technical Management, Marketing Management, Media Planning, Marketing Strategies, Customer Relationship Management, Sales Management, Marketing and Public Relations, Verbal Communication Skills, Supply Chain Management, Branding, Marketing Budgets, Supply Chain, Loyalty Programs, Business Operations, Presentations, Financial Forecasting, Brand Management, Forecasting
Build toward a degree
Beginner · Course · 1 - 3 Months

Skills you'll gain: Earned Value Management, Project Performance, Cost Management, Project Controls, Variance Analysis, Budget Management, Cost Control, Performance Analysis, Analysis, Forecasting, Performance Measurement, Project Management Software, Corrective and Preventive Action (CAPA)
Mixed · Course · 1 - 4 Weeks

University of Leeds
Skills you'll gain: Cloud Computing, Cloud Infrastructure, Cloud Platforms, Cloud Solutions, Cloud Development, Cloud Applications, Cloud Services, Cloud Computing Architecture, Infrastructure As A Service (IaaS), Software As A Service, Platform As A Service (PaaS), Scalability
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: Rmarkdown, Data Science, R (Software), Version Control, Data Analysis, Big Data, R Programming, General Science and Research, Git (Version Control System), Data Quality, Data Management, Technical Communication
Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: vSphere Networking and Storage, Virtual Networking, vCenter Server Management, vSphere DRS & HA, Role-Based Access Control (RBAC), Performance Tuning, Virtual Machines, Disaster Recovery, Storage vMotion, VMware ESX Servers, iSCSI Configuration, VMware vSAN, vCenter Server, Event Monitoring, Virtualization and Virtual Machines, Patch Management, Virtualization, Security Controls, System Monitoring, IT Infrastructure
Intermediate · Specialization · 1 - 3 Months