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.

Board Infinity
Skills you'll gain: API Design, Application Programming Interface (API), Postman API Platform, Software Documentation, OAuth, CI/CD, Web Services, Authentications, Continuous Integration, Continuous Deployment
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Brand Awareness, Data-Driven Marketing, Digital Advertising, Marketing Effectiveness, Advertising Campaigns, Digital Marketing Campaigns, Marketing Analytics, Advertising, Branding, Performance Analysis, Customer Insights, Business Research, Data-Driven Decision-Making, Survey Creation, Performance Measurement, Target Audience, Data Collection
Beginner · Course · 1 - 4 Weeks

Alex Genadinik
Skills you'll gain: Growth Mindedness, Assertiveness, Verbal Communication Skills, Stress Management, Courage, Entrepreneurship, Self-Awareness, Personal Development, Overcoming Obstacles, Positivity, Optimism, Resilience, Self-Motivation, Emotional Intelligence, Scientific Methods
Mixed · Course · 1 - 3 Months

Skills you'll gain: Virtual Local Area Network (VLAN), Network Planning And Design, Network Troubleshooting, Internet Of Things, Network Architecture, Network Security, Network Engineering, Network Protocols, Virtual Private Networks (VPN), Network Administration, Computer Networking, Routing Protocols, System Configuration, Network Monitoring, Local Area Networks, Networking Hardware, Network Infrastructure, Network Routers, General Networking, Network Switches
Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Rust (Programming Language), Relational Databases, Databases, Data Access, Application Development, Object Oriented Programming (OOP), File I/O, Software Development, Command-Line Interface, Data Import/Export
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Model Context Protocol, Tool Calling, Prompt Engineering, LLM Application, Anthropic Claude, Large Language Modeling, AI Integrations, AI Workflows, Cloud Deployment, Application Deployment, Servers, Development Environment, SQL, Databases, Data Integration, Debugging
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Amazon CloudWatch, Public Cloud, Data Storage Technologies, Virtual Networking, Infrastructure As A Service (IaaS), Data Storage, System Monitoring, Relational Databases, Network Security, Continuous Monitoring
Beginner · Course · 1 - 3 Months

Skills you'll gain: Compensation Strategy, Training Programs, Compensation Management, Employee Onboarding, Employee Engagement, Employee Training, Workforce Development, Talent Recruitment, Performance Appraisal, Compensation Analysis, Talent Acquisition, Training and Development, Drive Engagement, Recruitment Strategies, Employee Performance Management, Human Resources Management and Planning, Human Resource Strategy, Workforce Planning, Human Resources, Performance Management
Beginner · Specialization · 1 - 3 Months

Whizlabs
Skills you'll gain: Amazon DynamoDB, Amazon Web Services, Amazon Redshift, Database Architecture and Administration, Transaction Processing, Data Migration, Amazon Elastic Compute Cloud, NoSQL, Relational Databases, Data Warehousing, Real Time Data, Scalability, Proxy Servers, Capacity Management
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Procurement, Strategic Sourcing, Contract Negotiation, Negotiation, Supplier Management, Purchasing, Supplier Relationship Management, Supplier Performance Management, Proposal Development, Cost Estimation, Excel Formulas, Cost Reduction, Cost Benefit Analysis, Microsoft Excel, Data-Driven Decision-Making, Risk Management, Service Level
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Node.JS, TypeScript, Restful API, Back-End Web Development, Object-Relational Mapping, Web Development, Secure Coding, Server Side, Software Development Tools, Authentications, OAuth, Web Applications, Web Services, Unit Testing, Data Validation, Full-Stack Web Development, Authorization (Computing), Development Environment, Javascript, E-Commerce
Intermediate · Specialization · 3 - 6 Months

Packt
Skills you'll gain: Exploitation techniques, Vulnerability Scanning, Cyber Security Assessment, Active Directory, Security Testing, Web Applications, Microsoft Windows, Bash (Scripting Language), Apache Tomcat, Scripting, Microsoft SQL Servers
Intermediate · Course · 1 - 3 Months