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.

Skills you'll gain: Hedge Accounting, Derivatives, Private Equity, Portfolio Risk, Risk Modeling, Loans, Risk Management, Regression Analysis, Accounting, Fund Accounting, Lending and Underwriting, Risk Analysis, Investment Management, Accounting Records, Revenue Recognition, Financial Reporting, Financial Accounting, Equities, Performance Measurement, Portfolio Management
Beginner · Specialization · 3 - 6 Months

University of Illinois Urbana-Champaign
Skills you'll gain: Geospatial Information and Technology, Geographic Information Systems, Apache Hadoop, Spatial Data Analysis, Geospatial Mapping, Spatial Analysis, Big Data, Matplotlib, Data Processing, Computational Thinking, Distributed Computing, Data Manipulation, Theoretical Computer Science, Python Programming
Beginner · Course · 1 - 3 Months

Amazon Web Services
Skills you'll gain: Prompt Engineering, Retrieval-Augmented Generation, Generative AI, Fine-tuning, Performance Measurement, Business Solutions, Performance Improvement, Business Analysis
Beginner · Course · 1 - 4 Weeks

University of Illinois Urbana-Champaign
Skills you'll gain: Ideation, Creativity, Professional Development, Teamwork, Team Building, Creative Thinking, Brainstorming, Team Collaboration, Collaboration, Innovation, Social Impact, Cognitive flexibility, Drive Engagement, Open Mindset, Influencing, Communication, Communication Strategies, Decision Making, Overcoming Obstacles
Beginner · Course · 1 - 3 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

Skills you'll gain: Music Theory, Music, Musical Composition, Music Performance, Team Leadership, Performing Arts, Entrepreneurship, Event Management, Leadership, Initiative and Leadership, Booking (Sales), Professional Development, Professionalism, Goal Setting, Injury Prevention
Intermediate · Course · 1 - 4 Weeks

Corporate Finance Institute
Skills you'll gain: Tableau Software, Data Modeling, Dashboard Creation, Dashboard, E-Commerce, Performance Reporting, Data Visualization Software, Data Visualization, Performance Analysis, Data Presentation, Interactive Data Visualization, Data Analysis, Regional Sales, Business Analysis, Branding
Intermediate · Course · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Big Data, Apache Hadoop, Data Infrastructure, Data Processing, Analytics, Data Science, Data Architecture, Distributed Computing, Linux, Software Installation, Scalability, System Configuration
Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Verification And Validation, Computational Logic, Theoretical Computer Science, Systems Analysis, System Requirements, Algorithms, Functional Specification
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Windows PowerShell, Active Directory, Scripting, IT Automation, Network Monitoring, Scripting Languages, Microsoft Windows, Windows Servers, Shell Script, User Accounts, Microsoft Servers, Command-Line Interface, Network Administration, Remote Access Systems, Servers, Systems Administration, User Interface (UI), UI Components, Server Administration, Authentications
Beginner · Specialization · 1 - 4 Weeks

Skills you'll gain: Cryptography, Network Security, Cryptographic Protocols, OSI Models, Public Key Infrastructure, Cybersecurity, Advanced Encryption Standard (AES), Key Management, Network Protocols, Encryption, Threat Modeling, Data Encryption Standard, Remote Access Systems, Firewall, Brute-force attacks, Emerging Technologies, TCP/IP, Wireless Networks, Local Area Networks, Authentications
Advanced · Course · 1 - 4 Weeks

LearnKartS
Skills you'll gain: Salesforce, Salesforce Development, Data Import/Export, Customer Relationship Management, Data Maintenance, Customer Relationship Management (CRM) Software, Data Management, Dashboard, System Configuration, Workflow Management, Data Validation, Research Reports, Cloud Computing, Business Process Automation, Data Integrity, User Accounts, Data Modeling, Administration, Role-Based Access Control (RBAC), Data Security
Beginner · Course · 1 - 4 Weeks