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.

LearnKartS
Skills you'll gain: Amazon Web Services, Amazon S3, Amazon Elastic Compute Cloud, Amazon Redshift, Cloud Hosting, Amazon DynamoDB, Cloud Services, Cloud Engineering, Cloud Infrastructure, Cloud Storage, Database Administration, Cloud Deployment, Cloud Computing Architecture, Databases, Network Planning And Design, Virtual Networking, Servers, Database Management, Network Infrastructure, Cloud Security
Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: C and C++, Exploit development, C (Programming Language), Security Testing, C++ (Programming Language), Secure Coding, Application Security, System Programming, Debugging, Vulnerability Assessments, Interoperability, White-Box Testing
Mixed · Course · 1 - 4 Weeks

IBM
Skills you'll gain: Data Storytelling, Data Mining, Data Science, Data-Driven Decision-Making, Big Data, Digital Transformation, Analytics, Storytelling, Regression Analysis, Apache Hadoop, Machine Learning, Deep Learning, Cloud Computing
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Secure Coding, Application Security, Authorization (Computing), Authentications, Data Validation, Role-Based Access Control (RBAC), Security Controls, Configuration Management, Package and Software Management, Cybersecurity, Identity and Access Management, Software Installation, Computer Programming, Information Technology
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, Systems Analysis, Linux, Dynamic Host Configuration Protocol (DHCP), Virtual Networking, Network Analysis, General Networking, Virtual Machines, Web Servers, Network Administration, Computer Networking, Unix Shell
Intermediate · Specialization · 1 - 4 Weeks

Columbia University
Skills you'll gain: Systems Thinking, Social Justice, Economics, Policy, and Social Studies, Social Sciences, Complex Problem Solving, Problem Solving, Political Sciences, Policy Analysis, Systems Analysis, Persuasive Communication, Personal Development, Critical Thinking, Education and Training, Scientific Methods
Beginner · Course · 1 - 3 Months

Alfaisal University | KLD
Skills you'll gain: Production Line, Marketing Effectiveness, Business Metrics, Performance Measurement, Profit and Loss (P&L) Management, Production Management, Marketing, Marketing Strategies, Marketing Analytics, Strategic Marketing, Return On Investment, Key Performance Indicators (KPIs), Benchmarking
Beginner · Course · 1 - 4 Weeks

Arizona State University
Skills you'll gain: Manufacturing Processes, Materials science, Manufacturing and Production, Process Engineering, Production Process, Machine Controls, Experimentation, Prototyping, Process Development, System Configuration, Laboratory Testing, Analytical Testing
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Application Security, Data Security, Information Systems Security, Internet Of Things, Threat Modeling, Cybersecurity, Cloud Security, Security Engineering, Cryptography, Secure Coding, Network Security, Cyber Attacks, Mobile Security, Vulnerability, Risk Management Framework, Threat Management, Encryption, Cloud Services, Web Applications, Cloud Platforms
Mixed · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Collaborative Software, Integrated Development Environments, Program Development, Debugging, Development Environment, Computer Programming Tools, Technical Writing, Generative AI, Vibe coding, Computer Programming, File Management
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Infrastructure as Code (IaC), Jenkins, Ansible, SonarQube, Continuous Deployment, Configuration Management, Software Configuration Management, Code Coverage, DevOps, Devops Tools, Automation, Quality Control
Intermediate · Course · 1 - 4 Weeks

Harvard Business Review
Skills you'll gain: Business Planning, Operating Budget, Budget Management, Business Strategy, Resource Allocation, Budgeting, Resource Management, Marketing Operations, Project Planning, Organizational Strategy, Marketing Strategies, Capital Budgeting, Variance Analysis, Competitive Analysis, Financial Planning, Goal Setting, Finance
Intermediate · Course · 1 - 4 Weeks