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.

Coursera
Skills you'll gain: Systems Thinking, Creative Thinking, Innovation, Systems Analysis, Complex Problem Solving, Analysis, Business Systems Analysis, Strategic Thinking, Critical Thinking, Organizational Change, Decision Making, Collaboration
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Intrusion Detection and Prevention, Role-Based Access Control (RBAC), AWS Identity and Access Management (IAM), Amazon Web Services, Amazon Elastic Compute Cloud, Identity and Access Management, Cloud Computing, User Provisioning, Security Controls, Cloud Management, Malware Protection, Cloud Infrastructure, Cloud Security, Security Engineering, Authorization (Computing), Network Security, Hardening, Cryptographic Protocols, Cybersecurity
Beginner · Specialization · 3 - 6 Months

University of Colorado System
Skills you'll gain: Role-Based Access Control (RBAC), Authorization (Computing), Identity and Access Management, AWS Identity and Access Management (IAM), Security Controls, Geographic Information Systems, Geospatial Information and Technology, Encryption, Data Security, Network Security, Public Key Infrastructure, Cryptography, Web Applications, Wireless Networks
Beginner · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Linux Administration, Red Hat Enterprise Linux, Linux Servers, Network Troubleshooting, Linux, Event Monitoring, Systems Administration, Linux Commands, System Support, Hardening, System Monitoring, Security Controls, System Configuration, Network Administration, Authorization (Computing), Operating Systems, Unix Shell, Unix Commands, Command-Line Interface, Disaster Recovery
Advanced · Course · 1 - 4 Weeks

Imperial College London
Skills you'll gain: Immunology, Physiology, Geriatrics, Infectious Diseases, Pharmacology, Biology, Molecular, Cellular, and Microbiology, Pathology, Cell Biology, Molecular Biology
Intermediate · Course · 1 - 3 Months

Imperial College London
Skills you'll gain: Immunology, Infectious Diseases, Physiology, Microbiology, Molecular, Cellular, and Microbiology, Public Health and Disease Prevention, Environment, Pathology, Biology, Research
Intermediate · Course · 1 - 3 Months

LearnKartS
Skills you'll gain: Cybersecurity, Network Security, Cyber Attacks, Penetration Testing, Cyber Security Assessment, Application Security, Cyber Security Strategy, Cyber Threat Intelligence, Vulnerability Scanning, Cyber Security Policies, Security Controls, Network Monitoring, Data Security, Cyber Risk
Intermediate · Course · 1 - 3 Months

L&T EduTech
Skills you'll gain: Building Codes, Building Information Modeling, Cost Estimation, Construction Estimating, Drafting and Engineering Design, Structural Engineering, Engineering Drawings, Construction Engineering, Construction, Visualization (Computer Graphics), 3D Modeling, Safety Assurance, Engineering Calculations
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Electocardiography, Hemodynamics, Cardiac Dysrhythmia, Cardiology, Patient Observation, Life Support, Clinical Practices, Cardiopulmonary Resuscitation (CPR), Medical Emergency, Electrophysiology, Anatomy, Blood Pressure, Physiology, Nursing
Intermediate · Course · 1 - 4 Weeks

L&T EduTech
Skills you'll gain: Low Voltage, Network Infrastructure, Telecommunications, Authentications, System Monitoring, Electrical Systems, Systems Design, Infrastructure Security, Security Controls, Identity and Access Management, Systems Integration, General Networking, Continuous Monitoring, Network Security, Electrical Equipment, Authorization (Computing), Systems Architecture, Communication Systems, Display Devices, Electrical Safety
Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Computer Security, OSI Models, IT Management, Systems Administration, Virtualization, Virtualization and Virtual Machines, Network Security, Information Technology, Information Systems Security, Enterprise Security, General Networking, Cybersecurity, Network Administration, Security Management, Computing Platforms, Network Infrastructure, Security Controls, Virtual Machines, Enterprise Architecture, Information Assurance
Beginner · Course · 1 - 3 Months

Skills you'll gain: NoSQL, Operational Databases, Database Administration, Database Design, Database Architecture and Administration, Database Management, Data Migration, Google Cloud Platform, Scalability, Performance Tuning, Distributed Computing, Cloud Storage, Data Access, Cloud Security, Data Storage, Capacity Management, IT Automation, Disaster Recovery, Cloud Deployment, Identity and Access Management
Intermediate · Course · 1 - 4 Weeks