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 at Buffalo
Skills you'll gain: Electrical Systems, Building Codes, Electrical Wiring, Construction Inspection, HVAC, Building Design, Basic Electrical Systems, Electrical Power, Engineering Calculations, Architectural Design, System Requirements, Electrical Safety, Mechanical Design, Energy and Utilities, Architectural Engineering, Land Development, Semiconductors, Cost Benefit Analysis, Design Reviews, Submittals (Construction)
Beginner · Specialization · 3 - 6 Months

Skills you'll gain: Hardening, Distributed Denial-Of-Service (DDoS) Attacks, Incident Response, Network Architecture, Network Security, Computer Security Incident Management, Intrusion Detection and Prevention, Incident Management, Network Protocols, Threat Detection, Event Monitoring, Threat Management, Network Infrastructure, Cyber Attacks, System Monitoring, Communication Systems, Operating Systems, Linux, Bash (Scripting Language), Databases
Beginner · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Constructive Feedback, Recognizing Others, Team Motivation, Tactfulness, Performance Review, Performance Management, Employee Performance Management, Staff Management, Emotional Intelligence, Coaching, Creativity, Communication
Beginner · Course · 1 - 3 Months

Tel Aviv University
Skills you'll gain: World History, Political Sciences, International Relations, European History, Social Sciences, Economics, Governance, Cultural Diversity
Mixed · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Network Troubleshooting, Hardware Troubleshooting, Computer Networking, Desktop Support, System Support, Technical Support, Help Desk Support, Cloud Services, Computer Security Incident Management, Operating Systems, Information Technology, Microsoft Windows, Computer Hardware, Network Security
Beginner · Course · 1 - 3 Months

Rice University
Skills you'll gain: Conflict Management, Professional Networking, Smart Goals, Team Motivation, Creative Problem-Solving, Team Management, Team Performance Management, Prioritization, Stress Management, Meeting Facilitation, Relationship Management, Goal Setting, Time Management, Relationship Building, Leadership Development, Team Leadership, Self-Awareness, Communication, Professional Development, Mentorship
Beginner · Specialization · 3 - 6 Months

Technical University of Munich (TUM)
Skills you'll gain: Cost Accounting, Management Accounting, Income Statement, Operating Cost, Cost Management, Inventory Accounting, Profit and Loss (P&L) Management, Gross Profit, Strategic Decision-Making, Accounting, Product Planning, Resource Allocation, Product Assortment, Depreciation, Financial Accounting, Production Process, Financial Statements, Price Negotiation, Capacity Management, Decision Making
Beginner · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Rmarkdown, Knitr, Data Sharing, General Science and Research, Statistical Reporting, Data Analysis, Statistical Analysis, Data Validation, Exploratory Data Analysis, R Programming, Technical Communication, GitHub, Git (Version Control System), Software Documentation
Mixed · Course · 1 - 4 Weeks

University of Maryland, College Park
Skills you'll gain: Interviewing Skills, Negotiation, Telephone Skills, Presentations, Marketing Planning, Oral Expression, Concision, Public Speaking, Professional Development, Applicant Tracking Systems, English Language, Verbal Communication Skills, Persuasive Communication, Strategic Marketing, Business Writing, Cultural Responsiveness, Recruitment, Adaptability, Communication, Writing
Intermediate · Specialization · 3 - 6 Months

Universidad Nacional Autónoma de México
Skills you'll gain: NoSQL, Data Warehousing, Relational Databases, Database Management, Extract, Transform, Load, SQL, Databases, Data Mining, Business Intelligence, Big Data, Database Architecture and Administration, Information Systems, Database Systems, MySQL, Predictive Analytics, Database Design, MongoDB, Data Modeling, Scalability, Database Management Systems
Intermediate · Specialization · 3 - 6 Months
University of Pennsylvania
Skills you'll gain: Financial Reporting, Financial Acumen, Financial Data, Financial Statements, Income Statement, Financial Analysis, Business Reporting, Risk Analysis, Cash Flows, Predictive Analytics, Financial Forecasting, Balance Sheet, Performance Measurement, Business Metrics, Financial Management, Financial Planning, Key Performance Indicators (KPIs), Performance Analysis, Return On Investment, Business Modeling
Beginner · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Network Security, Distributed Denial-Of-Service (DDoS) Attacks, Malware Protection, Network Monitoring, Network Administration, TCP/IP, Network Infrastructure, Infrastructure Security, Intrusion Detection and Prevention, Network Protocols, Load Balancing, Firewall, Vulnerability Assessments, General Networking, Authorization (Computing), Web Applications, Authentications
Mixed · Course · 1 - 4 Weeks