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.

American Council on Exercise
Skills you'll gain: Selling Techniques, General Sales Practices, Sales Strategy, Sales, Customer Retention, Sales Prospecting, Client Services, Customer Acquisition Management, Performance Measurement, Customer Relationship Building, Drive Engagement, Key Performance Indicators (KPIs), Trustworthiness, Professional Development, Customer Engagement, Exercise Science, Rapport Building
★ 4.1 (7) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Change Management, Organizational Change, Culture Transformation, Business Transformation, Overcoming Obstacles, Business Leadership, Organizational Leadership, Organizational Structure, Leadership, Leadership Development, Lifelong Learning, Behavioral Management, Employee Engagement
★ 4.6 (22) · Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Case Studies
★ 4.4 (8) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Data Maintenance, Linux Administration, Operating System Administration, Database Software, Event Monitoring, Database Management Systems, Linux Commands, File I/O, Data Migration, Performance Testing, Data Storage Technologies, Scenario Testing, Memory Management, Data Storage, Software Installation
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: MongoDB, Data Transformation, Customer Analysis, Customer Insights, Back-End Web Development, Customer Data Management, Data Processing, NoSQL, Database Development, Data Maintenance, Document Management, Pandas (Python Package), Database Design, Data Validation, Extract, Transform, Load, Database Management, Databases, Data Pipelines, Data Access, Query Languages
★ 4.6 (72) · Beginner · Specialization · 1 - 3 Months

Skills you'll gain: OpenAI API, SQL, ChatGPT, Prompt Engineering, OpenAI, Pandas (Python Package), Query Languages, Natural Language Processing, Generative AI, Data Import/Export, Data Manipulation, Databases, Data Wrangling, Python Programming, Large Language Modeling, Machine Learning, Software Engineering
★ 4.4 (7) · Intermediate · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Systems Thinking, Sustainable Systems, Environmental Laws, Sustainable Development, Land Management, Climate Change Adaptation, Land Development, Climate Change Programs, Community Development, Environmental Policy, Social Impact, Social Justice, Environmental Issue, Environment, Socioeconomics, Economic Development, Diversity Equity and Inclusion Initiatives, Policy Development, Climate Change Mitigation, Petroleum Industry
★ 5 (10) · Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: Operations Management, Leadership Studies, Team Motivation, Rapport Building, Strategic Leadership, Operational Performance Management, Governance, Employee Engagement, Industrial and Organizational Psychology
★ 4.8 (6) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Marketing Design, Organizational Structure, Diagram Design, Marketing Collateral, Graphic Design, Presentations, Dashboard, Collaborative Software
★ 4.8 (12) · Intermediate · Guided Project · Less Than 2 Hours

Whizlabs
Skills you'll gain: AWS SageMaker, AWS Kinesis, Data Integration, Data Lakes, Business Intelligence Software, Business Intelligence, Apache Hive, Apache Spark, Amazon Web Services, Extract, Transform, Load, Big Data, Apache Hadoop, Real Time Data, Applied Machine Learning, Data Processing, Data Sharing, Serverless Computing, Data Transformation
★ 4.4 (10) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Programmable Logic Controllers, Animations, Human Machine Interfaces, UI Components, Control Panels, Interactive Design, Simulations, Interactive Data Visualization, Debugging, Electrical Safety, User Interface (UI) Design, Program Development, Computational Logic, Authorization (Computing), System Configuration
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Data Visualization, Dashboard, Dashboard Creation, Microsoft Excel, Business Reporting, Excel Formulas, Spreadsheet Software, Performance Reporting, Case Studies, People Analytics, Performance Analysis, Business Analytics, Variance Analysis, Trend Analysis, Data Analysis, Employee Performance Management, Performance Measurement, Project Documentation, Business Process Automation, Data Presentation
★ 5 (7) · Beginner · Specialization · 1 - 3 Months