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.

Macquarie University
Skills you'll gain: Cryptography, Encryption, Network Security, Cybersecurity, Key Management, Security Engineering, Network Protocols, Federated Learning, Data Integrity, Security Management
Beginner · Course · 1 - 3 Months

Skills you'll gain: IT Security Architecture, Security Controls, Cryptography, Security Engineering, Application Security, Vulnerability Assessments, Information Systems Security, Cryptographic Protocols, Vulnerability Management, Encryption, Cybersecurity, Infrastructure Security, Computer Security, Public Key Infrastructure, Cyber Security Assessment, Data Integrity
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Disaster Recovery, Microsoft Azure, Microsoft Copilot, System Monitoring, Cloud Security, Cloud Management, Systems Administration, Cloud Storage, Patch Management, Virtual Machines, Cyber Security Policies, File Management, Virtualization and Virtual Machines, Generative AI
Beginner · Course · 1 - 3 Months

Skills you'll gain: Data Store, Database Development, Systems Architecture, Apache Kafka
Intermediate · Course · 1 - 3 Months

Dubai College of Tourism
Skills you'll gain: Hospitality Management, Online Advertising, Customer Analysis, Promotional Strategies, Digital Advertising, Hospitality, Digital Marketing, Marketing Strategy and Techniques, Consumer Behaviour, Customer Insights, Customer experience strategy (CX), Customer experience improvement, Marketing, Marketing Planning, Target Market, Strategic Marketing, Marketing Channel, Content Marketing, Customer Relationship Management, Adaptability
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Team Building, Resilience, Leadership Development, Emotional Intelligence, Professional Development, Leadership, Team Management, Conflict Management, Team Leadership, Communication, Communication Planning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: LinkedIn, Interviewing Skills, Generative AI, Responsible AI, Professional Networking, AI Personalization, AI literacy, Web Presence, Negotiation, Professional Development, Prompt Engineering, Goal Setting, Communication Strategies, Follow Through, Professionalism
Beginner · Course · 1 - 3 Months

Skills you'll gain: Financial Statement Analysis, Financial Statements, Management Accounting, Revenue Recognition, Forecasting, Financial Analysis, Cost Accounting, Budget Management, Inventory Accounting, Financial Accounting, Budgeting, Performance Measurement, Cost Management, Business Systems Analysis, Data Mining, Analytics, Enterprise Resource Planning, Systems Analysis, Information Systems, Finance
Beginner · Specialization · 3 - 6 Months

The University of Notre Dame
Skills you'll gain: Communication Systems, Wireless Networks, Digital Communications, Telecommunications, General Networking, Digital Signal Processing, Electrical Engineering, Reliability
Beginner · Course · 1 - 3 Months

Microsoft
Skills you'll gain: Responsible AI, Containerization, Scalability, Docker (Software), AI Orchestration, Application Deployment, Kubernetes, Azure Active Directory, AI Integrations, System Monitoring, AI Workflows, Agentic systems, Artificial Intelligence, Microsoft 365, Generative AI Agents, Enterprise Architecture, Microsoft Azure, Agentic Workflows, AI Security, Enterprise Security
Intermediate · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: ESXi Installation, vSphere Networking and Storage, Virtual Networking, vCenter Server Management, Role-Based Access Control (RBAC), vCenter Server, VMware ESX Servers, iSCSI Configuration, Event Monitoring, Data Centers, Virtual Machines, Network Switches, Authorization (Computing), Virtualization, System Monitoring, Data Storage
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Salesforce, Salesforce Development, Data Import/Export, Customer Relationship Management, Data Maintenance, Customer Relationship Management (CRM) Software, Data Management, Dashboard, System Configuration, Workflow Management, Data Validation, Research Reports, Cloud Computing, Business Process Automation, Data Integrity, User Accounts, Data Modeling, Administration, Role-Based Access Control (RBAC), Data Security
Beginner · Course · 1 - 4 Weeks