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.

University of Colorado System
Skills you'll gain: Markov Model, Estimation, Mathematical Modeling, Correlation Analysis, Matlab, Linear Algebra, Numerical Analysis, Predictive Analytics, Applied Mathematics, Time Series Analysis and Forecasting, Probability Distribution, Statistical Inference, Probability & Statistics
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Mac OS, Application Lifecycle Management, Apache, Endpoint Security, iOS Development, Release Management, Web Servers, Single Sign-On (SSO)
Intermediate · Specialization · 3 - 6 Months

Logical Operations
Skills you'll gain: Pivot Tables And Charts, Microsoft Excel, Key Performance Indicators (KPIs), Data Presentation, Data Analysis Expressions (DAX), Data Integration, Spreadsheet Software, Excel Formulas, Performance Measurement, Data Visualization, Excel Macros, Business Intelligence, Microsoft Office, Microsoft 365, Productivity Software, Data Entry, File Management, Document Management, Data Management, User Interface (UI)
Beginner · Specialization · 3 - 6 Months

Alfaisal University | KLD
Skills you'll gain: Interviewing Skills, Recruitment, Web Presence, Marketing, digital literacy, Professional Networking, Digital Brand Strategy, Personal Attributes, Writing, Professional Development, Negotiation, Self-Awareness, Business Writing, Personal Development, Communication, Branding, Promotional Strategies, Goal Setting, Follow Through
Beginner · Course · 1 - 3 Months

Skills you'll gain: Product Planning, AI Product Strategy, Product Management, New Product Development, Quality Assurance and Control, Sales Strategy, Performance Analysis, Marketing Strategies, Product Marketing, Product Development, Product Lifecycle Management, Promotional Strategies, Quality Control, Quality Assurance, Performance Improvement, Product Improvement, Performance Measurement, Sales Enablement, Cross-Functional Collaboration, Data Analysis
Beginner · Course · 1 - 3 Months

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
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Data Quality, SQL, YAML, Data Pipelines, Data Validation, CI/CD, Data Modeling, Collaborative Software, Data Transformation, Data Integrity, Code Reusability, Version Control, Git (Version Control System), Technical Documentation, Metadata Management, Maintainability, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Pseudocode, Responsive Web Design, Computational Thinking, LinkedIn, Cascading Style Sheets (CSS), Front-End Web Development, React.js, HTML and CSS, Debugging, Algorithms, Interviewing Skills, UI Components, Professional Development, Web Presence, JavaScript Frameworks, Web Development Tools, Computational Logic, Web Development, Javascript, Software Development
Intermediate · Specialization · 1 - 3 Months

Duke University
Skills you'll gain: Business Metrics, Business Analytics, Analytics, Performance Metric, Performance Measurement, Marketing Analytics, Financial Data, Business Analysis, Key Performance Indicators (KPIs), Tableau Software, Analytical Skills, Big Data, Data Analysis, Data Literacy, Case Studies, Microsoft Excel, Digital Transformation, SQL
Mixed · Course · 1 - 3 Months

Fundação Instituto de Administração
Skills you'll gain: Financial Statement Analysis, Financial Statements, Financial Analysis, Financial Acumen, Financial Accounting, Balance Sheet, Cash Flows, Income Statement, Working Capital, Profit and Loss (P&L) Management, Business Metrics, Performance Analysis, Gross Profit, Analysis, Depreciation
Beginner · Course · 1 - 3 Months

Akamai Technologies, Inc.
Skills you'll gain: SQL, Database Management, Relational Databases, Database Systems, Databases, Database Administration, Database Development, Database Design, Database Theory, Data Manipulation, Query Languages, Data Management, Data Analysis
Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Data Pipelines, Dataflow, Data Warehousing, Extract, Transform, Load, Data Quality, Data Cleansing, Google Cloud Platform, Performance Tuning, Data Processing, Data Validation, Apache Spark, Scalability, Cloud Services, Data Transformation, System Monitoring, Serverless Computing
Intermediate · Course · 1 - 4 Weeks